David Richards has 3 videos available on Confreaks.TV. Their most popular video is Machine Learning which has been viewed 1,241 times since it was posted on 09/04/2010.
Integrating Web Apps at Ruby|Web Conference 2010 252 total views
Machine Learning at MountainWest RubyConf 2009 1,241 total views
Scientific Computing with Ruby Te... at Lone Star Ruby Conference 2008 76 total views