Five years ago this week… Data magnate Experian launched its US audience management platform, the Audience Engine, which looked set to be one of the most powerful intelligence systems going at the time. Experian’s access to the books of most retailers and utilities meant it was only a few transaction details away from knowing everything you are likely to buy – gold dust for advertisers. Boasting direct partnerships with 20 of the largest media providers in the country – think Facebook, AT&T, Cablevision, and Dish Network – this pool of granular personal spending data was a slam dunk. — Dish Network lost 230,000 net pay TV subscribers in Q1 2021, a slowdown from 413,000 a year ago, as the…