From RFID Weblog Jingle in an RFID tag .
When you buy something at the shops, would you want to hear an advertising jingle for the product ring out across the store as the cashier scans your purchase?
Florian Wesch, a computer science student from Durlach in Germany, has worked out a way to store a tune on the radio-frequency identification (RFID) tags now attached to most goods.
When the tag is scanned at the checkout, it would send the tune to be played by the tag reader.
I see lots of advertising opportunities here. Wave your RFID reading cell phone and hear a song on your phone. Wave the reader to see if you have won a prize, sound notification.
The full article .