Bill Gates is an optimist. He believes the world will be a better place in 20 years, that diseases like polio, measles and ...

Bill Gates is an optimist. He believes the world will be a better place in 20 years, that diseases like polio, measles and ...

Bill Gates is an optimist. He believes the world will be a better place in 20 years, that diseases like polio, measles and malaria will be eradicated, and that there will be other rich people lining ...

Despite his fame and fortune, Zuckerberg rarely appears at public events, and when he does, Priscilla is often by his side.