Retail media's measurement credibility problem came into sharp focus this week, with reporting on the 'grading-your-own-homework' dynamic that continues to plague the channel. As retail media networks proliferate and ad budgets flow in from brand advertisers, the lack of independent measurement standards is becoming a genuine friction point — one that threatens to slow investment if the industry can't agree on neutral attribution frameworks. The tension between retailers' incentive to report favorable results and advertisers' need for trustworthy ROI data is not new, but it is becoming harder to ignore as spend scales.
Complementing this, Digiday's examination of retail media networks as brand-building channels captured the ongoing debate about whether RMNs can credibly serve upper-funnel objectives or remain primarily a lower-funnel, conversion-focused tool. The answer has significant implications for how much of the broader brand advertising budget retail media can ultimately capture — and how networks like Amazon Ads, Walmart Connect, and emerging challengers position themselves in 2027 upfront conversations.