A crop of startups are deploying tools that let you search for people based on their faces, worrying privacy advocates and elected officials that the end of publicly anonymity is around the corner.
MARY LOUISE KELLY, HOST:
At a supermarket or a baseball game or most public places, you can generally expect to be anonymous. That could end if big tech companies release a tool that lets you search for a person by taking a photo of their face. The effect could be so worrisome that even Silicon Valley has been reluctant to unveil it, as NPR tech reporter Bobby
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