StackAdapt is an omnichannel advertising platform that accelerates customer acquisition through native, display, and video ads, ranking as the number 1 DSP on G2 and known for its innovative approach in digital advertising. StackAdapt is a programmatic ad platform. The policy links (via unnamed "click here" links in the page text) to a targeted-advertising opt-out and a "Consumer Rights Web Form"; you can also email privacy@stackadapt.com or call 1-844-467-8225. Opt-outs are cookie/identifier-based, so clearing cookies or switching browsers/devices likely means you have to opt out again, and StackAdapt notes it often cannot verify requests because its data is pseudonymous (it denied 9 of 12 deletion requests in 2025).