Keeps the Twitter messages box fixed on the left and auto-updates incoming tweets while keeping the page scroll on currently visible content, like on the smartphone apps; Paste in browser's console and run to use it

twitterUpdater.js

(function(){
	// Cleanup sidebar to save space
	$('.wtf-module').remove();
	$('.module.trends').remove();
	$('.Footer.module').remove();

	// Move tweet box into sidebar
	$('.timeline-tweet-box').appendTo('.dashboard-left');
	$('.timeline-tweet-box img').remove();

	// CSS changes
	$('.stream.home-stream').css({borderTop:'1px solid #e1e8ed'});
	$('.AppContent.wrapper').css({width:'900px'});
	$('#timeline').css({float:'right'});
	// Make sidebar fixed to stay visible
	$('.dashboard-left').css({position:'fixed'});	
})();

setInterval(function(){
	//Keep timeline updated and fix scroll to keep current content visible
	var newTweets = $('.new-tweets-bar');

	//If no new tweet stop
	if (newTweets.length===0) return;

	var newTweetsY   = newTweets.outerHeight(),
	    latestScroll = $(document).scrollTop(),
	    latestTweet  = $('#stream-items-id>li:first-child');

	// render tweets than calc
	newTweets.trigger('click');

	// Calculate Y diff for new scroll position
	var newTweet  = $('#stream-items-id>li:first-child'),
	    newTweetY = newTweet.offset().top,
	    latestTweetY = latestTweet.offset().top,
	    diffY     = latestTweetY - newTweetY,
	    scroll    = latestScroll + diffY - newTweetsY,
	    
	// Reapply scroll difference
	loop = setInterval(function(){
		$(document).scrollTop(scroll);
	},10);
	//Clear loop
	setTimeout(function(){clearInterval(loop)}, 300);

},1000);