A tech war has raged in China, and a winner seems ready to emerge. It's Tencent—a controversial, $139 billion company with nearly a billion users, which functions like Facebook, Amazon, Twitter, and Uber all rolled into one. Now it's gunning for global expansion.
Don Mattrick leaped from one of gaming’s biggest risks to another, when he bailed out of Microsoft to be CEO of Zynga. Will he be the hero who gets the social gaming giant into ProfitVille again? Or will Mark Pincus, its Donkey Kong of a founder, swat him down?