David A. Black has 3 videos available on Confreaks.TV. Their most popular video is The Well-Grounded Nuby which has been viewed 1,957 times since it was posted on 10/27/2011.
The Well-Grounded Nuby at Ruby Conference 2011 1,957 total views
Ruby 1.9: What to Expect at Ruby Conference 2008 1,038 total views
Ruby and Rails Symposium: Version... at RailsConf 2008 39 total views