I hope everyone watches Warren Buffett's film: Bill Gates

Microsoft Co-founder Bill Gates on Sunday supported his friend, billionaire Warren Buffett's upcoming documentary, 'Becoming Warren Buffett'. Gates tweeted, "I hope everyone, even those who think they know Warren well, will watch this film." The film documents the day-to-day personal life of the 86-year-old and includes Buffett's home videos, family photographs, and archival footage.