Sydney asset manager Kingsley Barker, who has gold Q Bag Tags on his luggage, said the new system hasn't failed him yet.

WSJ: Flying Through the Airport

Las Vegas and Hong Kong both have baggage systems in which paper bag tags have RFID chips imbedded in them, but the technology hasn't spread.

WSJ: Flying Through the Airport

Frequent fliers get free ID cards and Q Bag Tags, with bag tag colors denoting status level at the airline (black for platinum, gold, silver and bronze).

WSJ: Flying Through the Airport

The rescue people dump his tags and toys into a plastic evidence bag, as if he were leaving prison.

NEWYORKER: A Box of Puppies