More than two years ago, Hewlett-Packard, the IT and computer products and services provider based in Palo Alto, Calif., started deploying RFID in parts of its manufacturing and distribution chain.

RFID tags can store information such as the product name, price, expiration date, and origin. RFID readers can read this information from a distance, without requiring direct contact or line of sight.

To demonstrate how RFID tags on individual products can speed customers through checkouts, retailing technology provider NCR has installed an RFID-enabled self-checkout register at Metro Group’s RFID ...