In 1975 Bill Gates was a student at Harvard,one of the top universities in the United States.
At that time computers were large,expensive and difficult to use
Not many people had one at home
But Gates realised that computers would become smaller,cheaper and simpler in the future
็He also realised that people would need software for their computers
Gates formed a company and later dropped out of Harvard so he could develop the new software
Today Gates is the richest man in the world
He has a fortune of US$54 billion and his company,Microsoft,employs over 88,000 people in ninety-nine countries