Mobile Challenge; Sovrn Adds Header Bidding
Here’s today’s AdExchanger.com news round-up… Want it by email? Sign-up here. Missed The Starting Gun Last week, AOL acquired Millennial Media to grow its mobile ad biz, but capturing mobile ad dollars is no easy feat. Google has cornered 32.9% of all US mobile ad spend (about $10.02 billion), while Facebook commands 19.4% ($5.2 billion), […]