Betaworks is a conglomerate of web applications: <a href="http://betaworks.com/work/" rel="nofollow">http://betaworks.com/work/</a><p>I like their About Us presentation: <a href="http://betaworks.com/about/" rel="nofollow">http://betaworks.com/about/</a> (made using Prezi: <a href="http://prezi.com/" rel="nofollow">http://prezi.com/</a>)