How TweetDeck uses Google App Engine

Sending emails is a task that is already well done using some SaaS services (SendGrid, CampaignMonitor, etc), and works great.

But would be interesting to have an opensource app installed on Google Apps todo just that, send emails, with a REST interface.

Another use case: BuddyPoke

http://highscalability.com/blog/2010/1/22/how-buddypoke-scal...