Bill Chapman has 2 videos available on Confreaks.TV. Their most popular video is Think twice, code once which has been viewed 2,795 times since it was posted on 04/29/2013.
OpenStreetMap's Role in the 2013 ... at Ignite OSCON 2013 5 total views
Think twice, code once at MountainWest RubyConf 2013 2,795 total views
