Here’s today’s AdExchanger.com news round-up… Want it by email? Sign up here. Retired, But Not Resting Justice Department appeal or not, AT&T is full steam ahead with its advertising platform plans. AT&T’s advertising and analytics group, run by Brian Lesser, officially closed its acquisition of AppNexus on Wednesday. Brian O’Kelley, co-founder and CEO of AppNexus, will... Continue reading »