David Heinemeier Hansson is one of the most influential voices on the Internet. He is the author of the immensely popular Ruby on Rails programming framework, is a noted blogger and media figure, and is elegantly opinionated when it comes to the best ways to make great software. People follow David’s lead in droves, and for good reason: as a partner in the multi-million dollar company 37signals, David is one of the most successful young entrepreneurs in today’s Web economy. Creators of Basecamp®, Campfire™, Highrise® and Backpack®, and authors of the widely read “Signal vs. Noise” http://www.37signals.com/svn blog, 37signals is an advocate for all things simple and beautiful.