So success has not changed Ramsey, and he still pops into his old school about once a week despite attracting so much attention.
BBC: ?5m Ramsey 'popular and talented'
Though NFC is attracting attention from handset makers, wireless operators and payment processors, it is still hard to find in most U.S. buildings and cellphones.
FORBES: Smartphone 'Digital Keys' Coming To Campuses, Offices, Homes
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