Photos: Tracking people with VoIP and RFID 
Published: 22 Mar 2006 15:25 GMT
Colm Shorten, IBM's RFID centre of excellence manager, said that RFID technology, which is actually 40 to 50 years old, will not replace existing systems such as barcodes for some time. "Some people refer to it as a disruptive technology, but we believe it will coexist alongside barcodes for at least the next five to ten years."
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