Has the "Mad Men" TV show made drinking at the office hip again? Ad Age has a feature out today that says in-house bars at advertising agencies -- "seemingly a relic of 1960s Madison Avenue -- look to be all the rage once again."

Several of the office locales have unique themes, decors and names you'd expect to find associated with regular happy-hour hot spots. Our favorite name: the Mindshare agency's "Brain Drain."