We're not sure how Don Draper would have sold a 60 percent price increase on your most popular service package but maybe Netflix executives can make a guess after they start watching the first four seasons of Mad Men today on Watch Instantly. Netflix's Lionsgate deal will keep reruns flowing for years to come, while a new agreement with CBS International is bringing its programming -- including Showtime shows like Dexter that were recently yanked from the US Netflix service --