Bill Gates' $400 billion mistake involves Windows Phone and Android - Android

Bill Gates started Microsoft in 1975 along with Paul Allen and the rest is history. You don't get to be one of the wealthiest people in the world and build a trillion dollar company without making some great decisions over the years. At an event held by venture capital firm Villiage Global (via TechCrunch) Gates said that there is still one thing that bothers him to this day, and that ...