SAN MATEO, Calif. (KGO) -- Locks and keys can be traced all the way back to ancient Egypt. Modern keys haven't changed much in over a century.
That's why a startup launching Thursday is exploring the concept of unlocking our homes with our smart phones.
Watch the video in the player above for the full story.
Click here to learn more about the Otto smart lock.
Bay Area startup introduces revolutionary Otto smartphone lock
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