A customer tries Alipay's facial recognition payment solution "Smile to Pay" at KFC's new KPRO restaurant in Hangzhou, Zhejiang Province, China, on Sept. 1, 2017. Stringer/Reuters
Residents at Beijing Normal University’s student halls can open the building’s doors with their faces.
The university has been using face or voice recognition technology to verify students’ identities since mid-August. The technology was first trialed in the student dormitories in May.
