Retailers Seeing Infrared, via Sensors to Monitor In-store Shopping Habits
CHICAGO -- Wal-Mart, Supervalu's Albertsons chain, Kroger, and Walgreens are among the retailers going high-tech to learn more about their shoppers' in-store shopping patterns. The retailers are part of a consortium, which also includes major suppliers, that's been testing infrared sensors to measure customer traffic and generate "audience ratings" for products.