Top Retail Media Headlines From December 2025 Walmart, Amazon, Walgreens and others shared retail media-related advancements and news during the month. Walgreens Grows AI-Powered Retail Media Ecosystem With Rokt The collaboration allows non-endemic brands to reach Walgreens.com customers with relevant messaging. Retail Media Unplugged, Rokt P2PI chats with Rokt's Marc Allsop on location at Retail Media Summit UK in London.