Altitude Digital raises $17.5M as it launches its new ad platform for publishers

 Altitude Digital says it has poured $20 million into its just-launched Arena platform for publishers. That sounds like a lot of money for one product, but Altitude is also announcing that it has raised $17.5 million in new funding. Arena is Altitude’s customizable, self-serve SSP — that’s the industry acronym for supply-side platform, which is what online publishers use… Read More Post by startupsnows.blogspot.com