(TELEGRAPH) — For many commuters who have had one too many after work, Uber has been a godsend, allowing over-the-limit passengers to stumble into a cab and get dropped off outside their door at the touch of a button.

But those days could be numbered after the taxi app invented a system for detecting drunk passengers and alerting drivers before they are picked up.

A patent submitted by Uber details a system that uses artificial intelligence to identify passengers exhibiting unusual behaviour and could even choose to deny them a ride if they are acting “uncharacteristically.”

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