Mobile ad-tech experts have debated how Google has designed its backend not to serve the ATT prompt, but the debate is not conclusive. However, whatever tech Google uses to accomplish this is the company’s intellectual property, which it isn’t obliged to share, Seufert said.
“It’s hard to argue that it doesn’t violate the spirit [of the policy] here, but whether it violates the letter is a bit of a separate issue,” Edelson said.