A school used facial recognition tech for cafeteria payments. An internet law expert says it's rarely worth the risk.

• A school in England broke the law for using facial recognition technology for lunch payments.
• The UK's data protection regulator reprimanded the school for not assessing the risks to the students' information.
• An internet law professor has warned of issues surrounding bias and the onward use of data collected.

A school in England broke the law when it introduced facial recognition technology to take student lunch payments.