The Breakup 2.0The Breakup 2. 0 is intriguing and illuminating. By exploring how college students use Facebook, cell phones, and IM, Gershon deepens our understanding of these media, of young people's lives, and of our evolving definitions of public and private. It's an original and enlightening book. Deborah Tannen, Georgetown University, author of You Just Don't Understand and You Were Always Mom's Favorite! A few generations ago, college students showed their