{"version":"1.0","provider_name":"Tenjin","provider_url":"https:\/\/tenjin.com\/zh","author_name":"Chris Farm","author_url":"https:\/\/tenjin.com\/zh\/blog\/author\/farmchristopher\/","title":"IDFA Sends All Zeros | Tenjin","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"2nLkY53GAp\"><a href=\"https:\/\/tenjin.com\/zh\/blog\/idfa-sends-all-zeros-on-ios-10-devices\/\">IDFA \u5728 iOS 10 \u8bbe\u5907\u4e0a\u53d1\u9001\u5168\u96f6\u4fe1\u606f<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/tenjin.com\/zh\/blog\/idfa-sends-all-zeros-on-ios-10-devices\/embed\/#?secret=2nLkY53GAp\" width=\"600\" height=\"338\" title=\"\u300a IDFA Sends All Zeros on iOS 10 Devices \u300b\u2014Tenjin\" data-secret=\"2nLkY53GAp\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/tenjin.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/tenjin.com\/wp-content\/uploads\/2023\/09\/61921952-1512092818773.jpeg","thumbnail_width":1000,"thumbnail_height":666,"description":"A few months ago, Apple announced that iOS 10 will send all zeros for itsadvertisingIdentiferfield when the device\u2019s user sets their limit ad tracking flag toON. According to Tenjin\u2019s aggregate records, this represents ~15% of devices where IDFA will not be unique for a specific device. As I noted in my&nbsp;last post about cookies, the..."}