Research In Motion's BlackBerry has long been a most-favored gadget among the nation's political elite. But power brokers and BlackBerry power users like White House insider Karl Rove (right, seen here in a photo from August 2004 with White House Deputy Chief of Staff Joe Hagen) could be forced to overcome their "CrackBerry" addictions soon, if a pending court case leads to a shutdown of the wireless phone and e-mail service in the U.S.

Loni Miller, a White House presidential advance staffer, uses her BlackBerry to make plans for a day of electioneering in the 2004 presidential campaign.

Singer Usher takes a call while attending a Rosa Cha fashion show in September.

Anthony Kiedis of the Red Hot Chili Peppers strikes a reflective pose with his BlackBerry on an August day in the Soho district of New York.

You don't have to be famous, though, to use the BlackBerry. One Flickr user earlier this month made it the subject of a photo taken using Kodak's new V570 dual-lens camera.