History of the Bar Code

Gavin Weightman writes about the creation and first uses of bar codes .

-DD

Boarding Pass Barcodes Reveal Too Much

Jamie Condliffe observes that airline boarding pass barcodes can be read by cell phone scanner apps, revealing account information.

-DD

RFID

Bob Violino has written about the adoption of radio frequency identification in a NetworkWorld article titled RFID: Befuddled by FUD. This new technology will be used to transfer information about packages, books and other physical items, and has already been adopted by firms such as Walmart.

-DD