Some UK-based Budgens shops are using facial recognition to prevent minors from buying alcohol or tobacco products, according to the Financial Times.

Cameras installed near cash registers take pictures of customers who are refused alcohol or cigarettes. The pictures are saved in an encrypted form and if the same customer comes in to buy such products again, the system can recognize them and alert the cashier. The software is from Charton, a UK-based company, who wants to create a national database for use by stores and possibly pubs.

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