World Exposition 2010 Shanghai China
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Above: The façade of Hong Kong's UBPA exhibition area. Under the theme 'Smart Card Smart City Smart Life', the exhibition, which drew more than 1.3 million visitors, highlighted Hong Kong as a creative city that extensively uses smart card and radio frequency identification (RFID) technologies to enhance city life.
Right: A visitor wearing an RFID
wristband interacts with a virtual host at the Hong Kong's UBPA exhibition.
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