From Billing World.com Wireless 2005: What's Hot and What's Not .
When you talk about radio frequency ID, you think of chips embedded in things like the E-ZPass that motorists use to pay tolls without stopping. But in the not-too-distant-future, trillions of RFID chips will be implanted in everything. Outside the telecommunications industry—at retail stores like Wal-Mart, at the Department of Defense, Food and Drug Administration and so on—RFID is a white-hot topic.
In the mobile telecom industry, it's only a hot topic. The thought of RFID in every mobile phone, enabling it not only to be barcode scanned but also to read a bar code, is compelling. The missing piece to complete the mobile phone/wallet combination could be RFID.