Diageo Mexico participated in Walmart Mexico's "Barometer" initiative to better understand shopper behavior across Walmart's various store formats. As part of the initiative, Diageo conducted qualitative research including focus groups and shop-alongs. Diageo received praise from Walmart for its leadership, proactivity, and valuable ideas. Diageo was asked to document its work with Walmart as a best practice in customer-supplier collaboration. The goal of the initiative is to generate shared customer and supplier knowledge to identify opportunities across Walmart's different store formats.