I added Barack Obama to my Twitter follow list about 2 months ago, and it has been informative. He (i.e. his operative) posts no more than once a day -- succinctly stating where he his and what he's talking about.

Quoted: While Rose likes to tell everyone what he’s drinking (nice unicorn background image, Kevin), Obama invites his followers to sign up so they can be the first to find out who his VP pick is going to be. How about Rose? He knows how to get the vote out and seems ready for a new gig.