It's no surprise that many political types rely heavily on their BlackBerry devices for information. It seems the two top Democratic Presidential Candidates are no different. According to this article on donga both Hilly Clinton and Barack Obama can't live without their BlackBerrys.

“Hillary always checks her BlackBerry round the clock. On her way to campaign rally in a car, she sends and receives e-mail with Chelsea to discuss dinner menu for guests during the weekends.”

"The first thing Senator Barack Obama does when he gets off his personal charter flight and changes to a car heading for a rally is checking his e-mails from his campaign aides in Chicago."

The article also mentions Mitt Romney as a BlackBerry user.