The 'attention economy' is so 2007. Now we have the 'engagement economy'. How to turn attention into engagement so we can enlist average joes to help save the world? How about permeating the game-reality boundary? Futurist, game-designer, and existential cookie roller Jane McGonigal assures us that gamers and gameplay are the answer to real world problems. And, apparently Serious Games are geting better. Killer Flu, Chore Wars, and Evoke are recent advances. The 7th annual Games4Change Festival, ending today, offers a spate of new promises. Hope or hype?