Bill Gates' Viral Video: GatesLetter.com (Late Night with Jimmy Fallon)Bill Gates wants to promote his website, GatesLetter.com, with a viral video, but Jimmy doesn't think they have time to make one. http://www.GatesLetter.com Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c Get more Jimmy Fallon: Follow Jimmy: http://Twitter.com/JimmyFallon Like Jimmy: https://Fa
