Want to cash in on the Web 2.0 craze but don't know how? Make a Web App has the perfect idea for you! Success 100% guaranteed!*
Refresh for another, and don't forget to check out other people's favourites in The List:
It's a web service for campaigning against wars. We'll call it Iraq.tv.
"Sounds like a good idea to me"

No need to thank me.

It's a green discussion forum on exploiting free phone calls which relies heavily on email subscriptions and targets lawyers. We'll call it Calllr.
Idea created by Josh Sharp, who also makes real web applications for those with sensible ideas.
* success not guaranteed.