Tokyo taxis use facial recognition to guess riders' age and gender for targeted advertisements

Daily Mail - Science & tech 

Facial recognition technology is being deployed in airports, security cameras and in our phones. Now, Tokyo is using facial recognition in an unexpected way - to serve up targeted advertisements to taxi passengers as they're ferried to their destination, based on their age and gender. The unsettling practice was discovered by Google privacy engineer Rosa Golijan, who posted a photo of a tablet she encountered when hopping into a taxi in Japan. Facial recognition technology is being deployed in airports, security cameras and in our phones. Now, Japan is using the tech to serve up targeted ads to passengers in taxis.