This piece by Will Cappelli of the Meta Group caught my eye because he is one of the few voices suggesting that investment in RFID will actually drop during 2005. He points to three factors standing in the way of broader adoption of RFID in the short term:

• the need to standardize technology
• privacy issues have to be resolved
• off-the-shelf RFID middleware has to be developed to properly capture RFID signals and elicit meaning from them.
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  He says these three factors will cause RFID adoption to slow this year and next, but paints a brighter picture long term: