This is great!  I did an experiment a long time ago, before Twitter closed their JSONP API, to make brownian motion visualizations with a similar concept.<p><a href="http:&#x2F;&#x2F;binarymax.com&#x2F;brownian_2.gif" rel="nofollow">http:&#x2F;&#x2F;binarymax.com&#x2F;brownian_2.gif</a><p>I&#x27;ll have to find some time to recode it to use this service :)