Top 10 Tech Scares of the Decade

11.01.2011

Predicted outcome: The government will be able to track your every move

Actual outcome:

, or RFID, is a technology for tracking assorted objects. RFID most commonly appears in the form of tiny chips, or "tags," which can be attached to an object for identification and monitoring; currently they're embedded in a variety of things, including passports, security passes, and store inventory. to an RFID reader, which transmits frequency waves that "wake up" the chip.

RFID technology has been , and it's : Even if manufacturers put chips in products without intending to invade people's privacy, the technology can be exploited easily. In theory, everything from shopping and spending habits to someone's exact location.