Google Wave

Google Wave is an online tool for real-time communication and collaboration. A wave can be both a conversation and a document where people can discuss and work together using richly formatted text, photos, videos, maps, and more.


(Long video is very long)

This is Google's newest launch, it's supposed to be huge.

I know at least one of you got in, how are you liking it so far? What are some good features of it?
And of course, the obligatory, any invites left?