Header Bidding is the latest frenzy to consume the media and advertising industry. Publishers are toiling away in labs, trying to figure out how to take back more of the revenue pie, while advertisers lie awake at night fearing increased costs and changes to inventory access. Like many industry changes, header bidding started as a low hum, and has now moved into the over-hyped, can’t-live-without-it, will-solve-all-our problems phase.