Lively is the new service from Google for creating personalized universes and avatars. The goal is to give anyone the opportunity to create a virtual universe and to share it…

The universes thus created can then be embedded on web pages. Like on Second Life, you can create an avatar and customize it.

Lively on the other hand, does not connect the different created universes to each other. This is where Google is not catching up with Second Life yet, but there is a good chance that Google will go in this direction in the more or less long term.