A new version of retail giant Amazon's Just Walk Out cashierless shopping technology for clothing vendors keeps track of apparel via radio-frequency identification (RFID).
The system previously used ceiling-mounted cameras and shelf sensors, and automatically charged swiped credit cards when shoppers left the store.
However, the system found it difficult to distinguish between items of similar weight and appearance.
The new Just Walk Out version has RFID tags from packaging materials technology provider Avery Dennison attached to individual items and monitored by in-store readers.
Amazon has implemented the system at a few dozen Go convenience stores and Fresh grocery outlets, in addition to licensee-operated stores.
From Bloomberg
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