Retail marketers have contended with numerous roadblocks in recent months. Just as eCommerce skyrocketed in the wake of COVID-19, third-party identifiers (3PIDs) like cookies and Apple’s IDFA began deprecating. The effect made it more difficult for marketers to reach targeted consumers, as well as to confirm when—or if—an engagement was achieved for subsequent measurement and insights.
Amazon's on-site ads business, in which brands pay the online shopping behemoth to have their products spotlighted, was a masterstroke when it debuted a decade ago. Amazon's website already excelled at sales, and now the ads business folded in an entirely new revenue stream as brands paid for access to coveted audiences—just like they had long bought ads on TV, radio, and media websites. It