Which IoT technology has revolutionized retail analytics by providing the most accurate in-store customer movement patterns and dwell time data?

In today's high-tech retail landscape, Internet of Things (IoT) devices are transforming how stores operate and collect scientific data. From smart shelves that monitor inventory in real-time to environmental sensors that optimize store conditions, IoT technology is creating unprecedented efficiency and customer insights. This trivia question focuses on one of the most groundbreaking IoT innovations that's changing how scientific retail analytics works.

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RFID inventory tags
Computer vision with AI analytics
Bluetooth beacon networks
Smart shelf weight sensors