Amazon DSP introduces Similar Audiences beta: Amazon DSP launches Similar Audiences beta, using AI to expand advertiser reach without relying on third-party cookies or identifiers. https://ppc.land/amazon-dsp-introduces-similar-audiences-beta/?utm_source=dlvr.it&utm_medium=mastodon #AmazonDSP #DigitalMarketing #AIAdvertising #SimilarAudiences #AdTech