{"version":"1.0","provider_name":"C-Know Media","provider_url":"https:\/\/www.cknow.com\/cms","title":"Chapter 8 MacMag - C-Know Media","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"gL5unJEADc\"><a href=\"https:\/\/www.cknow.com\/cms\/vtutor\/chapter-8-macmag.html\">Chapter 8 MacMag<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.cknow.com\/cms\/vtutor\/chapter-8-macmag.html\/embed#?secret=gL5unJEADc\" width=\"600\" height=\"338\" title=\"&#8220;Chapter 8 MacMag&#8221; &#8212; C-Know Media\" data-secret=\"gL5unJEADc\" 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:\/\/www.cknow.com\/cms\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"On February 7, 1988, users of Compuserve&#8217;s Hypercard Forum were greeted with an intriguing warning message. It told them that the NEWAPP.STK Hypercard stack file was no longer on the system. The notice suggested that if they had downloaded the file, they should not use it. If they had used it, they should isolate the [&hellip;]","thumbnail_url":"https:\/\/www.cknow.com\/cms\/wp-content\/uploads\/2013\/02\/arrow_up.png"}