Bill Gates is an American entrepreneur, software engineer, philanthropist and chairman of Microsoft. He and Paul Allen founded Microsoft Corporation and he has been CEO and chief software architect in Microsoft.
Microsoft are global leaders in the personal computing and business computing in software, services and internet technologies. For game industry Microsoft is definitely very important.
Microsoft has created Xbox 360 game console, the handheld Zune media player, and the television-based Internet appliance MSN TV. Microsoft also offers computer hardware including mouse, keyboards, and various game controllers such as joysticks and gamepads.

Mark Zuckerberg is founder of U.S. social networking website Facebook, who had been called "Gates II" in the world. Facebook is a platform which allows user can easy to find friends, communicate with people and make new friend. In facebook, user can play facebook game with friends. Facebook has been publish many famous game such as, Farmville which has millions users.

Overall, Bill Gates and Mark Zuckerberg are all very important in game industry. In my opinion, Bill Gates who created Microsoft is more important for gaming. Because Microsoft involves more game area compare with Facebook which just offer online mini games Microsoft creates many game and also sell hardware which are necessary for gaming.