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 allows bloggers to create t-shirts together through an online office suite. We'll call it MashWear.
"MashWear would be an awesome name for t-shirts based on web apps."

Just what you were looking for.

It allows seniors to create a Facebook app for business cards together. We'll call it SuitsTheSame.
Idea created by Josh Sharp, who also makes real web applications for those with sensible ideas.
* success not guaranteed.