{"version":"1.0","provider_name":"Learning &amp; Education Portal","provider_url":"https:\/\/astan.lk\/al_virtualclassroom","author_name":"Admin","author_url":"https:\/\/astan.lk\/al_virtualclassroom\/author\/astan-preceptor1\/","title":"Business Evolution - Learning &amp; Education Portal","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"9k867lYUyd\"><a href=\"https:\/\/astan.lk\/al_virtualclassroom\/business-evolution\/\">Business Evolution<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/astan.lk\/al_virtualclassroom\/business-evolution\/embed\/#?secret=9k867lYUyd\" width=\"600\" height=\"338\" title=\"&#8220;Business Evolution&#8221; &#8212; Learning &amp; Education Portal\" data-secret=\"9k867lYUyd\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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:\/\/astan.lk\/al_virtualclassroom\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"There was a self-sufficient economic system in the past. The method of direct production had been practiced in the selfsufficient economic system. Personal specialization developed through direct production. The result of personal specialization is surplus of production. The result of surplus is the barter system. Trade emerged with the barter system. Producing to the market [&hellip;]","thumbnail_url":"http:\/\/astan.lk\/al_virtualclassroom\/wp-content\/uploads\/2017\/02\/Screenshot-343.png"}