Gaming kept the PC upgrade cycle alive in the '80s, '90s, and '00s. And now gaming is fueling the mobile and social revolutions. Google is trying to make Web games perform better, to boost the appeal of the Web as a platform, and to make games more social, to boost the appeal of Google+. The revenue sharing arrangements that Google is offering for games in the Chrome Web Store and on Google+ equal a mere 5%. That's significantly more competitive than the 30% charged by Apple, Amazon, Facebook, and others. If Google can grow its Google+ user base beyond early adopters, it could become hugely influential in gaming.