Brands say they want to spend their ad dollars in diverse environments, but often just wind up going with the easy tech of Google and Facebook. Ironically, good tech is the answer to the Big Tech problem, Xandr’s Erika Blakslee writes. Reaching diverse audiences on niche publications – that need support – used to need individual relationships, but a curated digital marketplace has changed that, and brands can measure the diversity of their media spend and benchmark it.