Hampton's solution? He sold the app to them and went to work there.
Now he maintains a Merb back end for processing requests and heads the
mobile division.
Here is a talk he gave at gogaruco:
http://pivotallabs.com/gogaruco/talks/54-there-will-be-ruby
Another intersting update from my time speaking to you is Webrat. Much
more modern now and works with many frameworks like Sinatra, Merb,
Selenium, Rack etc. Bryan Helmkamp spoke on it at gogaruco as well.
Here is his talk:http://pivotallabs.com/gogaruco/talks/63-webrat-rails-acceptance-testing-evolved
There are about 17 videos (and audios) there.
Enjoy
Ed