Social: Google Lively - A social 3D world

Google has launched Lively, a 3D chat and social application.
Probably a good competitor for Second Life.

via www.lively.com Create an avatar and chat with your friends in rooms you design via blogoscoped.com Once you logged into a room, you can start customizing your avatar. First you can pick from a base type – like male, female or animal – and then you can fine-tune your hair, skin color, eyes and more.