Yes YOU are! Here are the punchlines of famous Web 2.0 companies. "You" is in almost everyone of them:

Social Networks:

Facebook: A social utility that connects you with people around you

MySpace: A place for friends

Entertainment:

YouTube: Broadcast Yourself

Weblo: Making earth virtually yours

Second Life: Your World. Your imagination.

Services:

Toronto.com: Be in the Know

Chickadvisor: Love it. Rate It. Share It.

Lavalife: Where singles click.

Games:

Zylom: Have fun

Shockwave: Where you’re free to play

WorldWinner: Its only a game. Until you play it.

Shopping:

Shopzilla.com: Discovery made simple

Edeals.com: Changing the way you shop online

Loyalty:

MyPoints.com: Rewarding smart shoppers.