Whither John Mayer?

The world nearly stopped spinning today when millions of people on the Internet got really confused. Workplace productivity plummeted as office-dwellers everywhere scoured the Internet, trying to get to the bottom of one of this century's most enduring mysteries: Who is John Mayer dating?

TMZ says Mandy Moore. But the Internet's Gayest Little Piggy says Cameron Diaz.

WHAT ARE WE TO THINK????!!!!!