That presentation was recorded by Confreaks [1] who let you download the video (and audio!) at different resolutions. The Ruby community is really well-served

That presentation was recorded by Confreaks [1] who let you download the video (and audio!) at different resolutions. The Ruby community is really well-served by Confreaks [2] - they record and provide videos from many different Ruby conferences and have (over the years) expanded their remit to include Javascript, Scala and more. [1] http://confreaks.com/videos/662-rubyconf2011-algorithms-is-not-a-four-letter-word http://confreaks.com/videos/662-rubyconf2011-algorithms-is-n... [2] http://confreaks.com/events http://confreaks.com/events