"Games like World of Warcraft give players the means to save worlds, and incentive to learn the habits of heroes. What if we could harness this gamer power to solve real-world problems? Jane McGonigal says we can, and explains how." - TED.com
Jane McGonical in this video introduces the potential of play and games to solve problems. She has already designed and built some great stuff and I feel her can inspirational to us all in the context of this challenge.
Jane McGonigal: Gaming can make a better world