Mr. Thompson has been replaced on an interim basis by Ross Levinsohn, exec VP and head of global media, in a move that is likely to be made permanent.

Highlights from this year's digital upfronts as witnessed from the Ad Age staff.

While adland has obsessed over what brands should say on these social-media outlets, AmEx's John Hayes and his team are testing ways to transact there.

Keith Richman, Beth Le Manach, Brian Bedol and Jim Louderback weigh in on the performance — and prospect — of web video.

Brands may be plowing more and more money into Facebook ads, but the creative results are decidedly mixed, with all-too-common flubs such as blurred product shots and incomprehensible pitches.

The hire marks the pizza chain's return to national advertising with an agency of record, after several years of working with different agencies for local advertising.

Michael Stefanski has about 15 years' experience on both the agency and client side.

The magazine's first cover model says she isn't trying to represent any demographic but hopes that more magazines will reach out to "the first generations of me."

The title gets twice as much referral traffic from Pinterest than from Facebook and Twitter combined; only Google refers more.

Orbitz has hired Publicis Groupe's Spark as its new media agency partner, furthering parent Starcom MediaVest Group's ambition to grow the agency into a viable third network.