We have always thought that the Dish Networks management team in the US was ahead of the curve, and had strong views about how rapidly OTT video was going to take off, but its move this week to embrace programmatic real time bidding for TV inventory was still a surprise. It looks to us like this is a move to sell spare, previously useless, advertising inventory, off-cuts from its own Addressable Advertising system which downloads adverts to the 8 million DVRs its customers own, and spits them into segments of advertising which Dish owns. For the most part Dish owns a few minutes per hour, out of the 20 minutes plus of advertising on its screens, with the rest controlled…