FILE - In this Feb. 27, 2013 file photo, a man uses the NFC communicate library system at the Mobile World Congress, the world's largest mobile phone trade show, in Barcelona, Spain. (AP Photo/Manu ... more 
FILE - In this Feb. 27, 2013 file photo, a man uses the NFC communicate library system at the Mobile World Congress, the world's largest mobile phone trade show, in Barcelona, Spain. (AP Photo/Manu Fernandez) less 
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Associated Press | Photo By Manu Fernandez
Fri, Mar 1, 2013 3:19 AM EST