1994, at the suggestion of his father, william gates, Gates set up the william gates Foundation with $94 million. 1999, Mr. and Mrs. Gates renamed the William H. Gates Foundation as the Bill and Melinda Gates Foundation, and said that the purpose of the foundation is to reduce global inequality. On June 26th, 2006, after receiving a donation of more than $30 billion from Buffett, the Bill and Melinda Gates Foundation doubled in size and became the largest charitable foundation in the world.

Expansion: Microsoft is an American multinational technology enterprise, which was founded by Bill Gates and paul allen on1April 4, 975. Headquartered in Redmond, Washington, the company mainly develops, manufactures, licenses and provides a wide range of computer software services.