AppNexus has banned right-wing publisher Breitbart from selling on its exchange for violating its policy on hate speech – an order endorsed by CEO Brian O’Kelley, and depending on who you ask, also ...

AT&T said Monday it will acquire AppNexus for its advertising and analytics unit, which is headed up by former GroupM chief (and ex-AppNexus board member) Brian Lesser. The acquisition is expected to ...

It has been one year since AT&T completed the acquisition of AppNexus, and it’s safe to say a lot has changed. There's been new products launched and partnerships struck. At the same time, the ...

The deal has AT&T, led by CEO Randall Stephenson, aiming to do for premium video advertising what Facebook and Google have done for digital advertising. By Etan Vlessing Canada Bureau Chief Terms of ...

Editor's Note: The article has been updated to reflect that the AppNexus spend protection program remains in beta; the initial version of this article incorrectly stated that it had exited beta. The ...

AT&T confirmed reports on Monday that it plans to buy advertising technology company AppNexus in a deal that will propel the growth of the carrier's advertising platform and combine ad technology with ...

There’s a lot to chew on in the leaked audio of WarnerMedia CEO John Stankey’s first meeting with HBO staffers a couple of weeks ago. Beyond the “new sheriff’s in town” tone and worries that the ...

Ad tech company AppNexus has announced that it is automatically enforcing publishers’ ads.txt files by disabling buying from unauthorized sellers via the AppNexus Programmable Platform, per a news ...

The shift to mobile -- and a marketer's willingness to spend on the small screen -- has not been undersold. AppNexus on Thursday morning revealed that its mobile business has grown over 500% year-over ...