A customer uses Google's newly released smart phone Nexus S in a Best Buy electronics store in New York, the United States, Dec. 16, 2010. Google recently unveiled an updated version of the Android mobile operating system along with the new smart phone Nexus S running it. Nexus S has a built-in NFC (Near Field Communication) hardware that lets the user to read information from NFC tags. NFC is a wireless standard which enables the exchange of data between devices over about a 10 centimeter distance.
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