It's also part of the web site address where you can find out more about a recent all star benefit held to help fight AIDs. More details are at 46664.COM.
A live global webcast of the benefit had an estimated audience of 2 billion people. Performers included Bono, Eurythmics, Beyonce, Jimmy Cliff, and others.
MTV webcast the show on Saturday at noon, and will be airing it globally at 6 pm EST tonight.