Uprisings for racial justice are sweeping the country. Following the police murders of George Floyd, Breonna Taylor, and so many others, named and unnamed, America has finally reached its moment of reckoning. And politicians are starting to respond. That starts with banning facial recognition, a technology perfectly designed for the automation of racism. Tawana Petty is director of the Data Justice Program at Detroit Community Technology Project and co-leads the Our Data Bodies project.

Facial recognition is a technology that can be used to identify people without their knowledge or consent. It relies on the prevalence of cameras, which are becoming both more powerful and smaller, and machine learning technologies that can match the output of these cameras with images from a database of existing photos. People can be identified at a distance by their heart beat or by their gait, using a laser-based system. Cameras are so good that they can read fingerprints and iris patterns from meters away. And even without any of these technologies, we can always be identified because our smartphones broadcast unique numbers called MAC addresses.