This video walks through the creation of the site isitcodemashyet.com to show how easy it is to create simple web applications using the Sinatra framework. This video assumes prior experience with the Ruby language, and may be easier to grasp with Ruby web development experience. For more information on the CodeMash conference see codemash.org.
Links used in this video:
Sinatra - sinatra.rubyforge.org
IsItCodeMashYet Source - github.com/densitypop/isitcodemashyet
FollowCost - followcost.com
The inspiration for this app - istwitterdown.com
Haml - github.com/nex3/haml