Advertisers' enforcement of ads.txt has been most prominent in private programmatic marketplaces, but DSPs are now enabling ads.txt-only buys in the open marketplace.

With 500 million users, Alipay is quickly becoming one of the world's largest mobile payment platforms -- and now U.S. retailers such as Guess are using Alipay to attract more Chinese customers.

The Coalition for Better Ads, which launched in 2016 in the U.S. to root out annoying ads often blamed for the rise of ad blocking, has had a sluggish start in Europe. Issues include a lack of communication and a lack of resources.

For Digiday+ members: The General Protection Data Regulation has created two logical approaches for agencies when it comes to data: do they own or do they rent? It was a trend clearly seen in agency holding group earnings over the past week.

Join leaders from Cond? Nast, Vice, The Atlantic and more to learn, network and trade insights on the future of publishing at the Digiday Publishing Summit, taking place in Key Biscayne, Fla., Sept. 24-26. Register by July 30 to save $200 on passes.

Facebook's unstoppable climb was abruptly halted yesterday when the company missed on second-quarter revenue expectations. User growth also stalled in the U.S. and Canada and dropped by 3 million in Europe.