bird box

Here’s today’s AdExchanger.com news round-up… Want it by email? Sign up here. Clear Your Desk The buy-side push for ad tech transparency has changed Xaxis, the GroupM trading desk with a black box ad-buying model. The business has made some concessions, like offering self-service products and disclosing its margins, reports Digiday. Xaxis has also embraced outcome-based […]