Fans of AMC's Mad Men who created Twitter accounts, posting as several of the show's characters like Don Draper and Peggy Olsen, were met with an unpleasant surprise earlier this week when some of these character accounts were suspended.

"We never claimed to be from AMC, though we never denied it either (the mystery was part of the fun, wasn't it?)," wrote "Paul Kinsey" on his blog. "To be safe, I also immediately sent an e-mail to AMC ...