Bill Gates made a major announcement about his wealth and the Gates Foundation on Thursday. He said he read a lot of books to come to the decision.

Bill Gates said on Monday that most of the $200 billion he plans to donate over the next two decades will be aimed at helping Africa.

Bill Gates will give away $200 billion --- nearly all of his wealth --- over the next two decades through the Gates Foundation.

Like Andrew Carnegie, Bill Gates has reflected a ‘billionaire knows best’ ideology that does good work but only when it lines up with his priorities.

Exclusive interview: Bill Gates reveals he's giving away virtually all of his wealth by 2045 Bill Gates wants to share all of his good fortune — literally.