(likely) face identification and other surveillance of regular customers, if any data at all is created by that and analyzed or stored by anything that is a grave GDPR violation. Surveillance cameras for larger areas can be allowed but only to record for cases of legitimate control, no automated analysis nor data transfer to god knows where.
Personalised pricing is illegal as well in a supermarket. Digital price tags are allowed (and common) but there are clear rules how often prices are allowed to change. I’d have to research it myself but I think not more than once a day.
(likely) face identification and other surveillance of regular customers, if any data at all is created by that and analyzed or stored by anything that is a grave GDPR violation. Surveillance cameras for larger areas can be allowed but only to record for cases of legitimate control, no automated analysis nor data transfer to god knows where.
Personalised pricing is illegal as well in a supermarket. Digital price tags are allowed (and common) but there are clear rules how often prices are allowed to change. I’d have to research it myself but I think not more than once a day.