The Huffington Post salutes its 2010 Game Changers -- 100 innovators, mavericks, visionaries, and leaders who are changing the way we look at the world and the way we live in it. Whether standing front and center in the spotlight or working under the radar, they are having a game-changing effect in their fields -- and inspiring others to follow in their footsteps.
Here Arianna explains how we selected this year's Game Changers.
Click on a category to see the slideshow and cast your vote!
The Morning Email helps you start your workday with everything you need to know: breaking news, entertainment and a dash of fun. Learn more