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China, Not Silicon Valley, Is Cutting Edge in Mobile Tech
A cellphone user in Shenzhen, China. The countrys tech industryparticularly its mobile businesseshas in some ways pulled ahead of the United States.
Credit: An Rong Xu
Snapchat and Kik, the messaging services, use bar codes that look like drunken checkerboards to connect people and share information with a snap of their smartphone cameras.
From The New York Times
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