Not everyone wants to live in Silicon Valley. Americans are starting to leave the techie hub faster than they're arriving, a new study says.

The region lost more than 7,500 residents to other parts of the U.S. last year, the first time Silicon Valley has lost more U.S. residents than it has gained since 2011, according to the Silicon Valley Competitiveness and Innovation Project. Two local groups commissioned the study to identify strategies to reinforce the region's innovation.

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