https://arstechnica.com/tech-policy/2018/05/police-use-of-amazons-face-recognition-service-draws-privacy-warnings/ > Amazon is actively courting law-enforcement agencies to use a cloud-based facial-recognition service that can identify people in real time, the American Civil Liberties Union reported Tuesday, citing the documents obtained from two US departments. > The service, which Amazon markets under the name Rekognition, can recognize as many as 100 people in a single image and can compare images against databases containing tens of millions of faces. Company executives describe deployment by law enforcement agencies as common use case.