Found this article concerning Obama and his Blackberry written by a Cornell Law professor about the issues of being a President in love with his BB.
(note: found this while searching for mobile sites and apps for lawyers - such as wireless.westlaw.com . . . anyone know of more law specific mobile sites or apps?)
FindLaw's Writ - Dorf: All the President's IMs: Are Federal Record-keeping Laws Out of Step With Modern Communications?