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It's entirely possible at this point that our phones know us better than we know ourselves.
A new study out of Stanford University found that a phone could predict whether or not a person was drunk by using its sensors to monitor their walking for just 20 steps. And the phones were right more than 90% of the time.
The researchers think this could be really useful to keep people safe in the future . . . like telling them when they're too drunk to drive.
"In five years, I would like to imagine a world in which if people go out and drink at risky levels, they get an alert to protect them from high-risk events like driving, interpersonal violence, and unprotected sexual encounters."