Mark SullivanSenior Editor, PCWorld

Mark has been writing about networks - social and wireless - since 2005. Independent and outgoing, he enjoys travelling, wine, and skiing. His favorite book is "Atlas Shrugged" by Ayn Rand.

Group and Mobile Video Chat, Telephone Calling Likely Coming to Facebook

The three men from Facebook and Skype who are most responsible for the social network's new video-chat features answer PCWorld's questions about the launch.

The Best of 'Damn You, Autocorrect'