• "Do you ever get sick of your phone ringing? What about Facebook fatigue? Does Twitter sometimes give you stress headaches, making you occasionally wish you could just yank the plug on your online life?

    "Well, you're not alone, according to a recent report from the Pew Internet and American Life Project, a nonprofit research group in Washington.

    "The report, written by John Horrigan, the project's associate director of research, says 7 percent of Americans use the Internet as their primary means of social communication and also feel conflicted about that fact. These online social network users, which Horrigan calls "ambivalent networkers," are so connected they feel like they can't quit."