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A college is removing its vending machines after a student discovered they were using facial recognition technology
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
How about some consent and payment for my info? Swingy peephole cover thing over the camera. Offer a discount if the machine can take a picture of you. Oh that's right, it's only worth something when you amass a ton of the data. 0.004 cents off isn't that appealing is it?