
Google Labs is a website demonstrating new Google projects "that aren't quite ready for prime time". It serves as a testing ground for new services being developed.
Tools available at Google Labs as for 2006:
Personalized Home Page
Google Extensions for Firefox

Google forgot of Jaiku, the social networking, micro-blogging and lifestreaming service purchased by Google in 2007, and wants now to compete with Linden's Second Life.