RFID (radio frequency identification) can identify and track inventory. Learn how RFID is used in retail and what you need to ...

A chip that blocks a reader from identifying items tagged with unique electronic codes may allay privacy fears over radio frequency identification (RFID) technology. The silicon chip RFID blocker tag ...

It's in the keycard you wave to enter a secure office building. It's in the key fob you use to speed your gas purchases and the devices that let you zip through toll lanes on the highway. You might ...