What is RFID used for?
RFID tags store data about a product or person who carries the tag. The tag can be embedded in product packaging, in library books, in credit cards or in an ID badge or document, such as a driver’s license or passport. The tags can track products and pallets in warehouses and on store shelves. They’re also used in electronic toll passes and key fobs. They’ve tracked cows and cadavers, and people are increasingly implanting them in pets. RFID chips have been embedded in bracelets worn by Alzheimer’s patients, prison inmates and guards, and children in hospitals to make sure intruders don’t abduct them. Earlier this year, a California school required students to wear an ID tag embedded with an RFID chip to track their movements and monitor attendance. The move caused controversy, however, because the school neglected to tell students or parents that the badges contained a tracking device. An implantable RFID chip, called the VeriChip, was recently approved by the Food and Drug Administra
