From: Pekka Gronow <[log in to unmask]> > Many libraries in Scandinavia use RFID, it is a practical technology. > . . . the idea is attractive - you could even use them to inventory > stock without taking the materials out of the shelves. What is the range of these chips? I can envision detector vans driving around the town detecting un-returned books like they do detecting TV viewers who haven't paid their license fee!! Mike (in license-fee free U.S.A.) Biel [log in to unmask] P.S. Pekka -- I still get a lot of mileage out of telling the story of the time when we ran into each other in a record store in New Zealand!