II. Moving forward: Technical trends
Technical trends: RFID
Radio-Frequency Identification
Small electronic devices that consist of a small chip and an antenna
It provides a unique identifier for that object
Like a bar code, it is scanned to retrieve identifying information
RFID devices work within a few feet (up to 20 feet for high-frequency devices) of the scanner
Now manufactured cheaply enough to be ÅgthrowawayÅh
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