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 discusses a few of our game changers and why we chose them.
Click on a category to see the slideshow and cast your vote!
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