FindFace

Face recognition tech tends to be marketed to government agencies, but PimEyes offers a web app that lets anyone scan the internet for photos of themself — or anyone they have a picture of. The company says it aims to help people control their online presence and fight identity theft.

Datasets for training face recognition models have ballooned in size — while slipping in quality and respect for privacy. In a survey of 130 datasets compiled over the last four decades, researchers traced how the need for increasing quantities of data led researchers to relax their standards.

Real-time face recognition has become standard operating procedure for cops in a few cities, in both authoritarian and democratic countries. After years of trials, police departments in Moscow and London are using face recognition to scan the streets for suspected criminals.