Group items tagged

Allows for collaborative projects in a whiteboard wiki that can be simultenous edited and encourages mashups. Nutty fun.

I like this program, but I am a bit nutty

This appears to be about the same as Glogster which I have heard a lot about on Twitter. I haven't had the time to delve into it too far (we just got our student machines yesterday!) but I do know that Glogster has edu accounts which have some advantages.