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Amazon.com_ Customer reviews_ The Big Score_ The Billion-Dollar Story of Silicon Valley.html
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Amazon.com_ Customer reviews_ The Big Score_ The Billion-Dollar Story of Silicon Valley.html
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<!doctype html><html lang="en-us" class="a-no-js" data-19ax5a9jf="dingo"><!-- sp:feature:head-start -->
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<img src="https://m.media-amazon.com/images/G/01/gno/sprites/nav-sprite-global-1x-reorg-privacy._CB587940754_.png" style="display:none" alt=""/>
<script type="text/javascript">var nav_t_after_preload_sprite = + new Date();</script>
<script>
(window.AmazonUIPageJS ? AmazonUIPageJS : P).when('navCF').execute(function() {
(window.AmazonUIPageJS ? AmazonUIPageJS : P).load.js('https://images-na.ssl-images-amazon.com/images/I/41W974vG8QL._RC|71dXag6MKSL.js,01QvReFeJyL.js,01phmzCOwJL.js,01eOvPdxG7L.js,71MqgZnN1GL.js,41306Iio4NL.js,115pV8Rl02L.js,01+pnQJuQ0L.js,21rDHgaooIL.js,41uimpD4OpL.js,51t-JTxfnwL.js,31Pa7Gj4ZBL.js,11lEMI5MhIL.js,31c7Fn9h9gL.js,01LEzWzrPZL.js,01AqeWA7PKL.js_.js?AUIClients/NavDesktopUberAsset&lLvq0Ux1#desktop.language-en.us.488400-T1.488413-T1.366740-T1.310484-T1');
});
</script>
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<!-- sp:feature:nav-skeleton -->
<!-- sp:end-feature:nav-skeleton -->
<!-- sp:feature:navbar -->
<!--Pilu -->
<!-- NAVYAAN -->
<!-- navmet initial definition -->
<script type='text/javascript'>
if(window.navmet===undefined) {
window.navmet=[];
if (window.performance && window.performance.timing && window.ue_t0) {
var t = window.performance.timing;
var now = + new Date();
window.navmet.basic = {
'networkLatency': (t.responseStart - t.fetchStart),
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'NavStart': (now - window.ue_t0)
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window.navmet.push({key:"NavFirstPaintStart",end:+new Date(),begin:window.ue_t0});
}
}
if (window.ue_t0) {
window.navmet.push({key:"NavMainStart",end:+new Date(),begin:window.ue_t0});
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</script>
<script type='text/javascript'>window.navmet.tmp=+new Date();</script>
<script type='text/javascript'>
// Nav start should be logged at this place only if request is NOT progressively loaded.
// For progressive loading case this metric is logged as part of skeleton.
// Presence of skeleton signals that request is progressively loaded.
if(!document.getElementById("navbar-skeleton")) {
window.uet && uet('ns');
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window._navbar = (function (o) {
o.componentLoaded = o.loading = function(){};
o.browsepromos = {};
o.issPromos = [];
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}(window._navbar || {}));
window._navbar.declareOnLoad = function () { window.$Nav && $Nav.declare('page.load'); };
if (window.addEventListener) {
window.addEventListener("load", window._navbar.declareOnLoad, false);
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window.attachEvent("onload", window._navbar.declareOnLoad);
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$Nav.when('page.domReady').run("OnloadFallbackSetup", function () {
window._navbar.declareOnLoad();
});
}
window.$Nav && $Nav.declare('logEvent.enabled',
'false');
window.$Nav && $Nav.declare('config.lightningDeals', {});
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<style mark="aboveNavInjectionCSS" type="text/css">
#nav-flyout-ewc .nav-flyout-buffer-left { display: none; } #nav-flyout-ewc .nav-flyout-buffer-right { display: none; } div#navSwmHoliday.nav-focus {border: none;margin: 0;}
</style>
<script mark="aboveNavInjectionJS" type="text/javascript">
try {
if(window.navmet===undefined)window.navmet=[]; if(window.$Nav) { $Nav.when('$', 'config', 'flyout.accountList', 'SignInRedirect', 'dataPanel').run('accountListRedirectFix', function ($, config, flyout, SignInRedirect, dataPanel) { if (!config.accountList) { return; } flyout.getPanel().onData(function (data) { if (SignInRedirect) { var $anchors = $('[data-nav-role=signin]', flyout.elem()); $.each($anchors, function(i, anchorEl) {SignInRedirect.setRedirectUrl($(anchorEl), null, null);});}});}); $Nav.when('$').run('defineIsArray', function(jQuery) { if(jQuery.isArray===undefined) { jQuery.isArray=function(param) { if(param.length===undefined) { return false; } return true; }; } }); $Nav.declare('config.cartFlyoutDisabled', 'true'); $Nav.when('$','$F','config','logEvent','panels','phoneHome','dataPanel','flyouts.renderPromo','flyouts.sloppyTrigger','flyouts.accessibility','util.mouseOut','util.onKey','debug.param').build('flyouts.buildSubPanels',function($,$F,config,logEvent,panels,phoneHome,dataPanel,renderPromo,createSloppyTrigger,a11yHandler,mouseOutUtility,onKey,debugParam){var flyoutDebug=debugParam('navFlyoutClick');return function(flyout,event){var linkKeys=[];$('.nav-item',flyout.elem()).each(function(){var $item=$(this);linkKeys.push({link:$item,panelKey:$item.attr('data-nav-panelkey')});});if(linkKeys.length===0){return;} var visible=false;var $parent=$('<div class=\'nav-subcats\'></div>').appendTo(flyout.elem());var panelGroup=flyout.getName()+'SubCats';var hideTimeout=null;var sloppyTrigger=createSloppyTrigger($parent);var showParent=function(){if(hideTimeout){clearTimeout(hideTimeout);hideTimeout=null;} if(visible){return;} var height=$('#nav-flyout-shopAll').height(); $parent.css({'height': height});$parent.animate({width:'show'},{duration:200,complete:function(){$parent.css({overflow:'visible'});}});visible=true;};var hideParentNow=function(){$parent.stop().css({overflow:'hidden',display:'none',width:'auto',height:'auto'});panels.hideAll({group:panelGroup});visible=false;if(hideTimeout){clearTimeout(hideTimeout);hideTimeout=null;}};var hideParent=function(){if(!visible){return;} if(hideTimeout){clearTimeout(hideTimeout);hideTimeout=null;} hideTimeout=setTimeout(hideParentNow,10);};flyout.onHide(function(){sloppyTrigger.disable();hideParentNow();this.elem().hide();});var addPanel=function($link,panelKey){var panel=dataPanel({className:'nav-subcat',dataKey:panelKey,groups:[panelGroup],spinner:false,visible:false});if(!flyoutDebug){var mouseout=mouseOutUtility();mouseout.add(flyout.elem());mouseout.action(function(){panel.hide();});mouseout.enable();} var a11y=a11yHandler({link:$link,onEscape:function(){panel.hide();$link.focus();}});var logPanelInteraction=function(promoID,wlTriggers){var logNow=$F.once().on(function(){var panelEvent=$.extend({},event,{id:promoID});if(config.browsePromos&&!!config.browsePromos[promoID]){panelEvent.bp=1;} logEvent(panelEvent);phoneHome.trigger(wlTriggers);});if(panel.isVisible()&&panel.hasInteracted()){logNow();}else{panel.onInteract(logNow);}};panel.onData(function(data){renderPromo(data.promoID,panel.elem());logPanelInteraction(data.promoID,data.wlTriggers);});panel.onShow(function(){var columnCount=$('.nav-column',panel.elem()).length;panel.elem().addClass('nav-colcount-'+columnCount);showParent();var $subCatLinks=$('.nav-subcat-links > a',panel.elem());var length=$subCatLinks.length;if(length>0){var firstElementLeftPos=$subCatLinks.eq(0).offset().left;for(var i=1;i<length;i++){if(firstElementLeftPos===$subCatLinks.eq(i).offset().left){$subCatLinks.eq(i).addClass('nav_linestart');}} if($('span.nav-title.nav-item',panel.elem()).length===0){var catTitle=$.trim($link.html());catTitle=catTitle.replace(/ref=sa_menu_top/g,'ref=sa_menu');var $subPanelTitle=$('<span class=\'nav-title nav-item\'>'+ catTitle+'</span>');panel.elem().prepend($subPanelTitle);}} $link.addClass('nav-active');});panel.onHide(function(){$link.removeClass('nav-active');hideParent();a11y.disable();sloppyTrigger.disable();});panel.onShow(function(){a11y.elems($('a, area',panel.elem()));});sloppyTrigger.register($link,panel);if(flyoutDebug){$link.click(function(){if(panel.isVisible()){panel.hide();}else{panel.show();}});} var panelKeyHandler=onKey($link,function(){if(this.isEnter()||this.isSpace()){panel.show();}},'keydown',false);$link.focus(function(){panelKeyHandler.bind();}).blur(function(){panelKeyHandler.unbind();});panel.elem().appendTo($parent);};var hideParentAndResetTrigger=function(){hideParent();sloppyTrigger.disable();};for(var i=0;i<linkKeys.length;i++){var item=linkKeys[i];if(item.panelKey){addPanel(item.link,item.panelKey);}else{item.link.mouseover(hideParentAndResetTrigger);}}};});};
} catch ( err ) {
if ( window.$Nav ) {
window.$Nav.when('metrics', 'logUeError').run(function(metrics, log) {
metrics.increment('NavJS:AboveNavInjection:error');
log(err.toString(), {
'attribution': 'rcx-nav',
'logLevel': 'FATAL'
});
});
}
}
</script>
<noscript>
<style type="text/css"><!--
#navbar #nav-shop .nav-a:hover {
color: #ff9900;
text-decoration: underline;
}
#navbar #nav-search .nav-search-facade,
#navbar #nav-tools .nav-icon,
#navbar #nav-shop .nav-icon,
#navbar #nav-subnav .nav-hasArrow .nav-arrow {
display: none;
}
#navbar #nav-search .nav-search-submit,
#navbar #nav-search .nav-search-scope {
display: block;
}
#nav-search .nav-search-scope {
padding: 0 5px;
}
#navbar #nav-search .nav-search-dropdown {
position: relative;
top: 5px;
height: 23px;
font-size: 14px;
opacity: 1;
filter: alpha(opacity = 100);
}
--></style>
</noscript>
<script type='text/javascript'>window.navmet.push({key:'PreNav',end:+new Date(),begin:window.navmet.tmp});</script>
<a id='nav-top'></a>
<a id="skiplink" tabindex="0" class="skip-link">Skip to main content</a>
<script type='text/javascript'>window.navmet.main=+new Date();</script>
<header id="navbar-main" class = "nav-opt-sprite nav-flex nav-locale-us nav-lang-en nav-ssl nav-unrec nav-progressive-attribute">
<div id='navbar' cel_widget_id='Navigation-desktop-navbar'
role='navigation' aria-label='navigation' class="nav-sprite-v1 celwidget nav-bluebeacon nav-a11y-t1 bold-focus-hover layout2 nav-flex layout3 layout3-alt nav-packard-glow hamburger nav-progressive-attribute">
<div id='nav-belt'>
<div class='nav-left'>
<script type='text/javascript'>window.navmet.tmp=+new Date();</script>
<div id="nav-logo" >
<a href="/ref=nav_logo" id="nav-logo-sprites" class="nav-logo-link nav-progressive-attribute" aria-label="Amazon">
<span class="nav-sprite nav-logo-base"></span>
<span id="logo-ext" class="nav-sprite nav-logo-ext nav-progressive-content"></span>
<span class="nav-logo-locale">.us</span>
</a>
</div>
<script type='text/javascript'>window.navmet.push({key:'Logo',end:+new Date(),begin:window.navmet.tmp});</script>
<div id="nav-global-location-slot">
<span id="nav-global-location-data-modal-action" class="a-declarative nav-progressive-attribute" data-a-modal='{"width":375, "closeButton":"false","popoverLabel":"Choose your location", "ajaxHeaders":{"anti-csrftoken-a2z":"hHjtIW1ridkSDuZLslAXHnrATcClpMrOURoa6jsT8qe3AAAAAGUfwecAAAAB"}, "name":"glow-modal", "url":"/portal-migration/hz/glow/get-rendered-address-selections?deviceType=desktop&pageType=CustomerReviews&storeContext=NoStoreName&actionSource=desktop-modal", "footer":"<span class=\"a-declarative\" data-action=\"a-popover-close\" data-a-popover-close=\"{}\"><span class=\"a-button a-button-primary\"><span class=\"a-button-inner\"><button name=\"glowDoneButton\" class=\"a-button-text\" type=\"button\">Done</button></span></span></span>","header":"Choose your location"}' data-action="a-modal">
<a id="nav-global-location-popover-link" class="nav-a nav-a-2 a-popover-trigger a-declarative nav-progressive-attribute" tabindex="0">
<div class="nav-sprite nav-progressive-attribute" id="nav-packard-glow-loc-icon"></div>
<div id="glow-ingress-block">
<span class="nav-line-1 nav-progressive-content" id="glow-ingress-line1">
Delivering to Clinton 52732
</span>
<span class="nav-line-2 nav-progressive-content" id="glow-ingress-line2">
Choose location for most accurate options
</span>
</div>
</a>
</span>
<input data-addnewaddress="add-new" id="unifiedLocation1ClickAddress" name="dropdown-selection" type="hidden" value="add-new" class="nav-progressive-attribute" />
<input data-addnewaddress="add-new" id="ubbShipTo" name="dropdown-selection-ubb" type="hidden" value="add-new" class="nav-progressive-attribute"/>
<input id="glowValidationToken" name="glow-validation-token" type="hidden" value="hHjtIW1ridkSDuZLslAXHnrATcClpMrOURoa6jsT8qe3AAAAAGUfwecAAAAB" class="nav-progressive-attribute"/>
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<div id="nav-global-location-toaster-script-container" class="nav-progressive-content">
</div>
</div>
<div class='nav-fill'>
<script type='text/javascript'>window.navmet.tmp=+new Date();</script>
<div id="nav-search">
<div id="nav-bar-left"></div>
<form
id="nav-search-bar-form"
accept-charset="utf-8"
action="/s/ref=nb_sb_noss"
class="nav-searchbar nav-progressive-attribute"
method="GET"
name="site-search"
role="search"
>
<div class="nav-left">
<div id="nav-search-dropdown-card">
<div class="nav-search-scope nav-sprite">
<div class="nav-search-facade" data-value="search-alias=aps">
<span id="nav-search-label-id" class="nav-search-label nav-progressive-content">All</span>
<i class="nav-icon"></i>
</div>
<label id="searchDropdownDescription" for="searchDropdownBox" class="nav-progressive-attribute" style="display:none">Select the department you want to search in</label>
<select
aria-describedby="searchDropdownDescription"
class="nav-search-dropdown searchSelect nav-progressive-attrubute nav-progressive-search-dropdown"
data-nav-digest="RrEYT3fE9GuZSfg8lqRb6mntzbg="
data-nav-selected="0"
id="searchDropdownBox"
name="url"
style="display: block;"
tabindex="0"
title="Search in"
>
<option selected="selected" value="search-alias=aps">All Departments</option>
<option value="search-alias=alexa-skills">Alexa Skills</option>
<option value="search-alias=amazon-devices">Amazon Devices</option>
<option value="search-alias=amazon-pharmacy">Amazon Pharmacy</option>
<option value="search-alias=warehouse-deals">Amazon Warehouse</option>
<option value="search-alias=appliances">Appliances</option>
<option value="search-alias=mobile-apps">Apps & Games</option>
<option value="search-alias=arts-crafts">Arts, Crafts & Sewing</option>
<option value="search-alias=audible">Audible Books & Originals</option>
<option value="search-alias=automotive">Automotive Parts & Accessories</option>
<option value="search-alias=baby-products">Baby</option>
<option value="search-alias=beauty">Beauty & Personal Care</option>
<option value="search-alias=stripbooks">Books</option>
<option value="search-alias=popular">CDs & Vinyl</option>
<option value="search-alias=mobile">Cell Phones & Accessories</option>
<option value="search-alias=fashion">Clothing, Shoes & Jewelry</option>
<option value="search-alias=fashion-womens">   Women</option>
<option value="search-alias=fashion-mens">   Men</option>
<option value="search-alias=fashion-girls">   Girls</option>
<option value="search-alias=fashion-boys">   Boys</option>
<option value="search-alias=fashion-baby">   Baby</option>
<option value="search-alias=collectibles">Collectibles & Fine Art</option>
<option value="search-alias=computers">Computers</option>
<option value="search-alias=financial">Credit and Payment Cards</option>
<option value="search-alias=digital-music">Digital Music</option>
<option value="search-alias=electronics">Electronics</option>
<option value="search-alias=lawngarden">Garden & Outdoor</option>
<option value="search-alias=gift-cards">Gift Cards</option>
<option value="search-alias=grocery">Grocery & Gourmet Food</option>
<option value="search-alias=handmade">Handmade</option>
<option value="search-alias=hpc">Health, Household & Baby Care</option>
<option value="search-alias=local-services">Home & Business Services</option>
<option value="search-alias=garden">Home & Kitchen</option>
<option value="search-alias=industrial">Industrial & Scientific</option>
<option value="search-alias=prime-exclusive">Just for Prime</option>
<option value="search-alias=digital-text">Kindle Store</option>
<option value="search-alias=fashion-luggage">Luggage & Travel Gear</option>
<option value="search-alias=luxury">Luxury Stores</option>
<option value="search-alias=magazines">Magazine Subscriptions</option>
<option value="search-alias=movies-tv">Movies & TV</option>
<option value="search-alias=mi">Musical Instruments</option>
<option value="search-alias=office-products">Office Products</option>
<option value="search-alias=pets">Pet Supplies</option>
<option value="search-alias=luxury-beauty">Premium Beauty</option>
<option value="search-alias=instant-video">Prime Video</option>
<option value="search-alias=smart-home">Smart Home</option>
<option value="search-alias=software">Software</option>
<option value="search-alias=sporting">Sports & Outdoors</option>
<option value="search-alias=specialty-aps-sns">Subscribe & Save</option>
<option value="search-alias=subscribe-with-amazon">Subscription Boxes</option>
<option value="search-alias=tools">Tools & Home Improvement</option>
<option value="search-alias=toys-and-games">Toys & Games</option>
<option value="search-alias=under-ten-dollars">Under $10</option>
<option value="search-alias=videogames">Video Games</option>
</select>
</div>
</div>
</div>
<div class="nav-fill">
<div class="nav-search-field ">
<label for="twotabsearchtextbox" style="display: none;">Search Amazon</label>
<input
type="text"
id="twotabsearchtextbox"
value=""
name="field-keywords"
autocomplete="off"
placeholder="Search Amazon"
class="nav-input nav-progressive-attribute"
dir="auto"
tabindex="0"
aria-label="Search Amazon"
spellcheck="false"
>
</div>
<div id="nav-iss-attach"></div>
</div>
<div class="nav-right">
<div class="nav-search-submit nav-sprite">
<span id="nav-search-submit-text" class="nav-search-submit-text nav-sprite nav-progressive-attribute" aria-label="Go">
<input id="nav-search-submit-button" type="submit" class="nav-input nav-progressive-attribute" value="Go" tabindex="0">
</span>
</div>
</div>
</form>
</div>
<script type='text/javascript'>window.navmet.push({key:'Search',end:+new Date(),begin:window.navmet.tmp});</script>
</div>
<div class='nav-right'>
<script type='text/javascript'>window.navmet.tmp=+new Date();</script>
<div id='nav-tools' class="layoutToolbarPadding">
<a href="/customer-preferences/edit?ie=UTF8&preferencesReturnUrl=%2F&ref_=topnav_lang" id="icp-nav-flyout" class="nav-a nav-a-2 icp-link-style-2" aria-label="Choose a language for shopping.">
<span class="icp-nav-link-inner">
<span class="nav-line-1">
</span>
<span class="nav-line-2">
<span class="icp-nav-flag icp-nav-flag-us icp-nav-flag-lop"></span>
<div>EN</div>
<span class="nav-icon nav-arrow"></span>
</span>
</span>
</a>
<a href="https://www.amazon.com/ap/signin?openid.pape.max_auth_age=0&openid.return_to=https%3A%2F%2Fwww.amazon.com%2FBig-Score-Billion-Dollar-Silicon-Valley%2Fproduct-reviews%2FB09BDL543N%2Fref%3Dcm_cr_arp_d_viewopt_srt%2F%3F_encoding%3DUTF8%26ie%3DUTF8%26pageNumber%3D1%26reviewerType%3Dall_reviews%26sortBy%3Drecent%26ref_%3Dnav_ya_signin&openid.identity=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.assoc_handle=usflex&openid.mode=checkid_setup&openid.claimed_id=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.ns=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0" class="nav-a nav-a-2 nav-progressive-attribute" data-nav-ref="nav_ya_signin" data-nav-role="signin" data-ux-jq-mouseenter="true" id="nav-link-accountList" tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav-link-accountList" data-csa-c-content-id="nav_ya_signin">
<div class="nav-line-1-container"><span id="nav-link-accountList-nav-line-1" class="nav-line-1 nav-progressive-content">Hello, sign in</span></div>
<span class="nav-line-2 ">Account & Lists<span class="nav-icon nav-arrow"></span>
</span>
</a>
<a href="/gp/css/order-history?ref_=nav_orders_first" class="nav-a nav-a-2 nav-progressive-attribute" id="nav-orders" tabindex="0">
<span class="nav-line-1">Returns</span>
<span class="nav-line-2">& Orders<span class="nav-icon nav-arrow"></span></span>
</a>
<a href="/gp/cart/view.html?ref_=nav_cart" aria-label="0 items in cart" class="nav-a nav-a-2 nav-progressive-attribute" id="nav-cart">
<div id="nav-cart-count-container">
<span id="nav-cart-count" aria-hidden="true" class="nav-cart-count nav-cart-0 nav-progressive-attribute nav-progressive-content">0</span>
<span class="nav-cart-icon nav-sprite"></span>
</div>
<div id="nav-cart-text-container" class=" nav-progressive-attribute">
<span aria-hidden="true" class="nav-line-1">
</span>
<span aria-hidden="true" class="nav-line-2">
Cart
<span class="nav-icon nav-arrow"></span>
</span>
</div>
</a>
</div>
<script type='text/javascript'>window.navmet.push({key:'Tools',end:+new Date(),begin:window.navmet.tmp});</script>
</div>
</div>
<div id='nav-main' class='nav-sprite'>
<div class='nav-left'>
<script type='text/javascript'>window.navmet.tmp=+new Date();</script>
<a href="/gp/site-directory?ref_=nav_em_js_disabled" id="nav-hamburger-menu" role="button" aria-label="Open Menu" data-csa-c-type="widget" data-csa-c-slot-id="HamburgerMenuDesktop"
data-csa-c-interaction-events="click" >
<i class="hm-icon nav-sprite"></i>
<span class="hm-icon-label">All</span>
</a>
<script type="text/javascript">
var hmenu = document.getElementById("nav-hamburger-menu");
hmenu.setAttribute("href", "javascript: void(0)");
window.navHamburgerMetricLogger = function() {
if (window.ue && window.ue.count) {
var metricName = "Nav:Hmenu:IconClickActionPending";
window.ue.count(metricName, (ue.count(metricName) || 0) + 1);
}
window.$Nav && $Nav.declare("navHMenuIconClicked",!0);
window.$Nav && $Nav.declare("navHMenuIconClickedNotReadyTimeStamp", Date.now());
};
hmenu.addEventListener("click", window.navHamburgerMetricLogger);
window.$Nav && $Nav.declare('hamburgerMenuIconAvailableOnLoad', false);
</script>
<script type='text/javascript'>window.navmet.push({key:'HamburgerMenuIcon',end:+new Date(),begin:window.navmet.tmp});</script>
</div>
<div class='nav-fill'>
<div id="nav-shop">
</div>
<div id='nav-xshop-container'>
<div id='nav-xshop' class="nav-progressive-content">
<script type='text/javascript'>window.navmet.tmp=+new Date();</script>
<a href="/gp/help/customer/accessibility" aria-label="Click to call our Disability Customer Support line, or reach us directly at 1-888-283-1678" class="nav-hidden-aria " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_0" >Disability Customer Support</a>
<a href="/health?ref_=nav_cs_home_page" class="nav-a " data-ux-jq-mouseenter="true" id="nav_link_allhealthingress" tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_link_allhealthingress" data-csa-c-content-id="nav_cs_home_page"><span>Medical Care</span><span class="nav-icon nav-arrow"></span></a>
<a href="/gp/bestsellers/?ref_=nav_cs_bestsellers" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_2" data-csa-c-content-id="nav_cs_bestsellers">Best Sellers</a>
<a href="/stores/node/20648519011?channel=discovbar?field-lbr_brands_browse-bin=AmazonBasics&ref_=nav_cs_amazonbasics" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_3" data-csa-c-content-id="nav_cs_amazonbasics">Amazon Basics</a>
<a href="/prime?ref_=nav_cs_primelink_nonmember" class="nav-a " data-ux-jq-mouseenter="true" id="nav-link-amazonprime" tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav-link-amazonprime" data-csa-c-content-id="nav_cs_primelink_nonmember"><span>Prime</span><span class="nav-icon nav-arrow"></span></a>
<a href="/gp/help/customer/display.html?nodeId=508510&ref_=nav_cs_fs_hub_navbar_c" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_5" data-csa-c-content-id="nav_cs_fs_hub_navbar_c">Customer Service</a>
<a href="/gp/new-releases/?ref_=nav_cs_newreleases" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_6" data-csa-c-content-id="nav_cs_newreleases">New Releases</a>
<a href="/music/unlimited?ref_=nav_cs_music" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_7" data-csa-c-content-id="nav_cs_music">Music</a>
<a href="/deals?ref_=nav_cs_gb" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_8" data-csa-c-content-id="nav_cs_gb">Today's Deals</a>
<a href="/books-used-books-textbooks/b/?ie=UTF8&node=283155&ref_=nav_cs_books" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_9" data-csa-c-content-id="nav_cs_books">Books</a>
<a href="/gp/browse.html?node=16115931011&ref_=nav_cs_registry" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_10" data-csa-c-content-id="nav_cs_registry">Registry</a>
<a href="/amazon-fashion/b/?ie=UTF8&node=7141123011&ref_=nav_cs_fashion" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_11" data-csa-c-content-id="nav_cs_fashion">Fashion</a>
<a href="/home-garden-kitchen-furniture-bedding/b/?ie=UTF8&node=1055398&ref_=nav_cs_home" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_12" data-csa-c-content-id="nav_cs_home">Amazon Home</a>
<a href="/gp/browse.html?node=73846268011&ref_=nav_cs_wwa" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_13" data-csa-c-content-id="nav_cs_wwa">Works with Alexa</a>
<a href="/gift-cards/b/?ie=UTF8&node=2238192011&ref_=nav_cs_gc" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_14" data-csa-c-content-id="nav_cs_gc">Gift Cards</a>
<a href="https://pharmacy.amazon.com/?nodl=0&ref_=nav_cs_pharmacy" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_15" data-csa-c-content-id="nav_cs_pharmacy">Pharmacy</a>
<a href="/toys/b/?ie=UTF8&node=165793011&ref_=nav_cs_toys" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_16" data-csa-c-content-id="nav_cs_toys">Toys & Games</a>
<a href="/b/?_encoding=UTF8&ld=AZUSSOA-sell&node=12766669011&ref_=nav_cs_sell" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_17" data-csa-c-content-id="nav_cs_sell">Sell</a>
<a href="/Coupons/b/?_encoding=UTF8&node=2231352011&ref_=nav_cs_coupons" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_18" data-csa-c-content-id="nav_cs_coupons">Coupons</a>
<a href="/gcx/Gifts-for-Everyone/gfhz/?ref_=nav_cs_giftfinder" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_19" data-csa-c-content-id="nav_cs_giftfinder">Find a Gift</a>
<a href="/automotive-auto-truck-replacements-parts/b/?ie=UTF8&node=15684181&ref_=nav_cs_automotive" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_20" data-csa-c-content-id="nav_cs_automotive">Automotive</a>
<a href="/luxurystores?ref_=nav_cs_luxury" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_21" data-csa-c-content-id="nav_cs_luxury">Luxury Stores</a>
<a href="/Beauty-Makeup-Skin-Hair-Products/b/?ie=UTF8&node=3760911&ref_=nav_cs_beauty" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_22" data-csa-c-content-id="nav_cs_beauty">Beauty & Personal Care</a>
<a href="/Smart-Home/b/?ie=UTF8&node=6563140011&ref_=nav_cs_smart_home" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_23" data-csa-c-content-id="nav_cs_smart_home">Smart Home</a>
<a href="/computer-pc-hardware-accessories-add-ons/b/?ie=UTF8&node=541966&ref_=nav_cs_pc" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_24" data-csa-c-content-id="nav_cs_pc">Computers</a>
<a href="/Tools-and-Home-Improvement/b/?ie=UTF8&node=228013&ref_=nav_cs_hi" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_25" data-csa-c-content-id="nav_cs_hi">Home Improvement</a>
<a href="/health-personal-care-nutrition-fitness/b/?ie=UTF8&node=3760901&ref_=nav_cs_hpc" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_26" data-csa-c-content-id="nav_cs_hpc">Household, Health & Baby Care</a>
<a href="/computer-video-games-hardware-accessories/b/?ie=UTF8&node=468642&ref_=nav_cs_video_games" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_27" data-csa-c-content-id="nav_cs_video_games">Video Games</a>
<a href="/pet-shops-dogs-cats-hamsters-kittens/b/?ie=UTF8&node=2619533011&ref_=nav_cs_pets" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_28" data-csa-c-content-id="nav_cs_pets">Pet Supplies</a>
<a href="/baby-car-seats-strollers-bedding/b/?ie=UTF8&node=165796011&ref_=nav_cs_baby" class="nav-a " tabindex="0" data-csa-c-type="link" data-csa-c-slot-id="nav_cs_29" data-csa-c-content-id="nav_cs_baby">Baby</a>
<script type='text/javascript'>window.navmet.push({key:'CrossShop',end:+new Date(),begin:window.navmet.tmp});</script>
</div>
</div>
</div>
<div class='nav-right'>
<script type='text/javascript'>window.navmet.tmp=+new Date();</script><!-- Navyaan SWM -->
<div id="nav-swmslot" class="nav-swm-text-widget">
<a href="/amazonprime/us_acq_pbdd_swm/?_encoding=UTF8&ref_=nav_swm_undefined&pf_rd_p=47afd685-0979-41bb-8f1d-a9efa27f6c87&pf_rd_s=nav-sitewide-msg-text&pf_rd_t=4201&pf_rd_i=navbar-4201&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=AJVTER04N601TTP9KFWG" id="swm-link" class="nav_a nav-swm-text nav-progressive-attribute nav-progressive-content">Join Prime for deals Oct 10-11</a>
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<div id='nav-subnav-toaster'></div>
<div id="nav-progressive-subnav">
</div>
<div id='nav-flyout-ewc' class='nav-ewc-lazy-align nav-ewc-hide-head'><div class='nav-flyout-body ewc-beacon' tabindex='-1'><div class='nav-ewc-arrow'></div><div class='nav-ewc-content'></div></div></div><script type='text/javascript'>
(function() {
var viewportWidth = function() {
return window.innerWidth ||
document.documentElement.clientWidth ||
document.body.clientWidth;
};
if (typeof uet === 'function') { uet('x1', 'ewc', {wb: 1}); }
window.$Nav && $Nav.declare('config.ewc', (function() {
var config = {"enablePersistent":true,"viewportWidthForPersistent":1400,"isEWCLogging":1,"isEWCStateExpanded":true,"EWCStateReason":"fixed","isSmallScreenEnabled":true,"isFreshCustomer":false,"errorContent":{"html":"<div class='nav-ewc-error'><span class='nav-title'>Oops!</span><p class='nav-paragraph'>There's a problem loading your cart right now.</p><a href='/gp/cart/view.html?ref_=nav_err_ewc_timeout' class='nav-action-button'><span class='nav-action-inner'>Your Cart</span></a></div>"},"url":"/cart/ewc/compact?hostPageType=CustomerReviews&hostSubPageType=remoteProduct&hostPageRID=AJVTER04N601TTP9KFWG&prerender=0","cartCount":0,"freshCartCount":0,"almCartCount":0,"primeWardrobeCartCount":0,"isCompactViewEnabled":true,"isCompactEWCRendered":true,"isWiderCompactEWCRendered":true,"EWCBrowserCacheKey":"EWC_Cache_134-2870825-6039560__USD_en_US","isContentRepainted":false,"clearCache":false,"loadFromCacheWithDelay":0,"delayRenderingTillATF":false};
var hasAui = window.P && window.P.AUI_BUILD_DATE;
var isRTLEnabled = (document.dir === 'rtl');
config.pinnable = config.pinnable && hasAui;
config.isMigrationTreatment = true;
config.flyout = (function() {
var navbelt = document.getElementById('nav-belt');
var navCart = document.getElementById('nav-cart');
var ewcFlyout = document.getElementById('nav-flyout-ewc');
var persistentClassOnBody = 'nav-ewc-persistent-hover nav-ewc-full-height-persistent-hover';
var flyout = {};
var getDocumentScrollTop = function() {
return (document.documentElement && document.documentElement.scrollTop) || document.body.scrollTop;
};
var isWindow = function(obj) {
return obj != null && obj === obj.window;
};
var getWindow = function(elem) {
return isWindow(elem) ? elem : elem.nodeType === 9 && elem.defaultView;
};
var getOffset = function(elem) {
if (elem.getClientRects && !elem.getClientRects().length) {
return {top: 0};
}
var rect = elem.getBoundingClientRect
? elem.getBoundingClientRect()
: {top: 0};
if (rect.width || rect.height) {
var doc = elem.ownerDocument;
var win = getWindow(doc);
return {
top: rect.top + win.pageYOffset - doc.documentElement.clientTop
};
}
return rect;
};
flyout.align = function() {
var newTop = getOffset(navbelt).top - getDocumentScrollTop();
ewcFlyout.style.top = (newTop > 0 ? newTop + 'px' : 0);
};
flyout.hide = function() {
isRTLEnabled
? (ewcFlyout.style.left = '')
: (ewcFlyout.style.right = '');
};
if(typeof config.isCompactEWCRendered === 'undefined') {
if (
(config.isSmallScreenEnabled && viewportWidth() < 1400) ||
(config.isCompactViewEnabled && viewportWidth() >= 1400)
) {
config.isCompactEWCRendered = true;
config.isEWCStateExpanded = true;
config.url = config.url.replace("/gp/navcart/sidebar", "/cart/ewc/compact");
} else {
config.isCompactEWCRendered = false;
}
}
var viewportQualifyForPersistent = function () {
return (config.isCompactEWCRendered)
? true
: viewportWidth() >= 1400;
}
flyout.hasQualifiedViewportForPersistent = viewportQualifyForPersistent;
var getEWCRightOffset = function() {
if (!config.isCompactEWCRendered) {
return 0;
}
var $navbelt = document.getElementById('nav-belt');
if ($navbelt === undefined || $navbelt === null) {
return 0;
}
var EWCCompactViewWidth = (config.isWiderCompactEWCRendered && viewportWidth() >= 1280) ? 130 : 100;
var scrollLeft = (window.pageXOffset !== undefined)
? window.pageXOffset
: (document.documentElement || document.body.parentNode || document.body).scrollLeft;
var scrollXAxis = Math.abs(scrollLeft);
var windowWidth = document.documentElement.clientWidth;
var navbeltWidth = $navbelt.offsetWidth;
var isPartOfNavbarNotVisible = (navbeltWidth + EWCCompactViewWidth) > windowWidth;
if (isPartOfNavbarNotVisible) {
return 0 - (navbeltWidth - scrollXAxis - windowWidth + EWCCompactViewWidth);
} else {
return 0;
}
}
flyout.getEWCRightOffsetCssProperty = function () {
return getEWCRightOffset() + 'px';
}
if (config.isCompactEWCRendered) {
persistentClassOnBody = 'nav-ewc-persistent-hover nav-ewc-compact-view';
if (config.isWiderCompactEWCRendered) { persistentClassOnBody += ' nav-ewc-wider-compact-view'; }
}
flyout.show = function() {
isRTLEnabled
? (ewcFlyout.style.left = flyout.getEWCRightOffsetCssProperty())
: (ewcFlyout.style.right = flyout.getEWCRightOffsetCssProperty());
};
var isIOSDevice = function() {
return (/iPad|iPhone|iPod/.test(navigator.platform) ||
(navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1)) &&
!window.MSStream;
}
var checkForPersistent = function() {
if (!hasAui) {
return { result: false, reason: 'noAui' };
}
if (!config.enablePersistent) {
return { result: false, reason: 'config' };
}
if (!viewportQualifyForPersistent()) {
return { result: false, reason: 'viewport' };
}
if (isIOSDevice()) {
return { result: false, reason: 'iOS' };
}
if (!config.cartCount > 0) {
return { result: false, reason: 'emptycart' };
}
return { result: true };
};
flyout.ableToPersist = function() {
return checkForPersistent().result;
};
var persistentClassRegExp = '(?:^|\\s)' + persistentClassOnBody + '(?!\\S)';
flyout.applyPageLayoutForPersistent = function() {
if (!document.documentElement.className.match( new RegExp(persistentClassRegExp) )) {
document.documentElement.className += ' ' + persistentClassOnBody;
}
};
flyout.unapplyPageLayoutForPersistent = function() {
document.documentElement.className = document.documentElement.className.replace( new RegExp(persistentClassRegExp, 'g'), '');
};
flyout.persist = function() {
flyout.applyPageLayoutForPersistent();
flyout.show();
if (config.isCompactEWCRendered) {
flyout.align();
}
};
flyout.unpersist = function() {
flyout.unapplyPageLayoutForPersistent();
flyout.hide();
};
var persistentCheck = checkForPersistent();
var resizeCallback = function() {
if (flyout.ableToPersist()) {
flyout.persist();
}
else {
flyout.unpersist();
}
};
flyout.bindEvents = function() {
if (window.addEventListener) {
window.addEventListener('resize', resizeCallback, false);
if (config.isCompactEWCRendered) {
window.addEventListener('scroll', flyout.align, false);
}
}
};
flyout.unbindEvents = function() {
if (window.removeEventListener) {
window.removeEventListener('resize', resizeCallback, false);
if (config.isCompactEWCRendered) {
window.removeEventListener('scroll', flyout.align, false);
}
}
};
var ewcDefaultPersistence = function() {
if (persistentCheck.result) {
flyout.persist();
if (window.ue && ue.tag) {
ue.tag('ewc:persist');
}
} else {
if (window.ue && ue.tag) {
ue.tag('ewc:unpersist');
if (persistentCheck.reason === 'noAui') {
ue.tag('ewc:unpersist:noAui');
}
if (persistentCheck.reason === 'viewport') {
ue.tag('ewc:unpersist:viewport');
}
if (persistentCheck.reason === 'emptycart') {
ue.tag('ewc:unpersist:emptycart');
}
if (persistentCheck.reason === 'iOS') {
ue.tag('ewc:unpersist:iOS');
}
}
}
};
ewcDefaultPersistence();
if (window.ue && ue.tag) {
if (flyout.hasQualifiedViewportForPersistent()) {
ue.tag('ewc:bview');
}
else {
ue.tag('ewc:sview');
}
}
flyout.bindEvents();
flyout.cache = function () {
const cache = window.sessionStorage;
const CACHE_KEY = "EWCBrowserCacheKey";
const CACHE_EXPIRY = "EWCBrowserCacheExpiry";
const CACHE_VALUE = "EWCBrowserCacheValue";
const isSessionStorageValid = function () {
return window && cache && cache instanceof Storage;
};
const isCachePresent = function (key) {
return cache.length > 0 && cache.getItem(key);
}
const isValidType = function (value) {
// Prevents accessing empty key-value and internal methods(prototypes) of storage
// TODO: Log metrics for invalid access;
return value && value.constructor == String;
}