Acknowledgments.

About the Author.

About Rock the Vote.

Introduction.

1. Blogging.

The Big Picture: Beth Kanter.

The Big Picture: Evan Williams.

2. Social Networking.

The Big Picture: danah boyd.

The Big Picture: Fred Stutzman.

3. Video and Photo Sharing.

The Big Picture: Steve Grove.

The Big Picture: Jonah Sachs.

4. Mobile Phones.

The Big Picture: Seth Godin.

The Big Picture: Zack Exley.

5. Wikis.

The Big Picture: Marty Kearns.

6. Maps.

The Big Picture: Jason Fried.

7. Virtual Worlds.

The Big Picture: Mitch Kapor.

The Big Picture: Katrin Verclas.

Conclusion.

Index.