John Mayer: Twitter Is 'Pretty Much Done'

At ASCAP's 2010 "I Create Music" Expo, the singer admits he's been wrangling with a really tough decision concerning the microblogging site lately.

"Within in the last couple weeks," he says, "every night I think about canceling my Twitter account because I think it's pretty much done. I just think Twitter as a form of communication, I think it's over to be honest with you."

Read more on E! Online