Many digital marketers have yet to come to grips with what advertising in a post-cookie world will look like. The entire programmatic ecosystem is undergoing a seismic shift as Google plans to phase out third-party cookies in Chrome by 2023 in response to growing privacy concerns. But Google isn't alone. Apple has doubled down on its privacy efforts, blocking cookies in Safari and essentially handing Facebook advertisers their walking papers as it empowers users to opt out of ad tracking. (more…)