text: var RevealEmbedTweet = window.RevealEmbedTweet || (function(){
  	var ready = false;
  	window.twttr = (function(d, s, id) {
  		var js, fjs = d.getElementsByTagName(s)[0],
  				t = window.twttr || {};
  		if (d.getElementById(id)) return t;
  		js = d.createElement(s);
  		js.id = id;
  		js.src = "https://platform.twitter.com/widgets.js";
  		fjs.parentNode.insertBefore(js, fjs);
  
  		t._e = [];
  		t.ready = function(f) {
  				t._e.push(f);
  		};
  	}(document, "script", "twitter-wjs"));
  
  
  	function load() {
  		if ( twttr != undefined && !document.querySelector('section[data-markdown]:not([data-markdown-parsed])') ) {
  			tweets = document.querySelectorAll(".tweet");
  			for (i = 0; i < tweets.length; ++i) {
  				tweets[i].style.cssText = "margin: 0;position: absolute; left: 50%;transform: translate(-50%,0%);" + tweets[i].style.cssText;
  				tweets[i].innerHTML = 	'<blockquote class="twitter-tweet" data-lang="en"><a href="' + tweets[i].getAttribute('data-src') + '">Tweet</a></blockquote>';
  			}
  			twttr.widgets.load()
  		}
  		else {
  			// wait for markdown to be loaded and parsed
  			setTimeout( load, 100 );
  		}
  	}
  
  	Reveal.addEventListener( 'ready', function( event ) {
  		load();
  	} );
  
  	this.refresh = load;
  
  	return this;
  })();
  
  
  
  
  