Glossy+ Research: The marketers’ 2026 guide to retail media marketing, including The Home Depot, Milani Cosmetics and Tinuiti

As the retail media landscape evolves, marketers are rethinking where they invest, how they measure success and which retail media networks deserve a larger share of budget. Although they once viewed retail media primarily as a lower-funnel performance channel, marketers are expanding their ad businesses beyond sponsored product listings into off-site media, streaming and full-funnel marketing.