Retail Media Knows What You Want Before Your Shopping Cart Does: Walmart Connect’s Brett Wein

CANNES, France – Retail media loves to brag about signals, identity and deterministic data. Brett Wein, vice president and head of food at Walmart Connect, has a simpler pitch: if someone buys groceries every week and starts lingering around mattress listings, that probably tells you something. Speaking with Beet.TV contributor David Kaplan at the Cannes […]

Last updated Aug 23, 2026 by the ATDb Editorial Team