BizSugar.com › Technology › How Retailers Track Shoppers In Heat Maps - Business Insider

New camera-based technologies are helping retailers track what you touch, what you ignore, and where you walk, so they can optimize store layouts like never before. They do it by using real-time imaging to track your movements, and then turn that info into heat maps. It's a data-intensive approach to an age-old question: what do customers buy?