McCann's Mad Men Tweets Help Lift the Agency's Mentions by 46%

Being cast as the villain in a hit show actually doesn't hurt, either

Since it's been part of the program's storyline from practically the beginning, McCann has been tweeting about Mad Men episodes for years. But for the final season, it has been cast as an extreme antagonist as it swallows up the fictional subsidiary Sterling Cooper & Partners, the lifeblood of the show's narrative.