Governments across the world are increasingly adopting powerful, often flawed technology, enabling police to track you by your face. Kade Crockford, Director of the Technology for Liberty Program at the ACLU, explains why we can't let that happen if we want to protect our free and open society. Learn more at http://www.tedxcambridge.com/ Kade Crockford is the director of the Technology for Liberty Program at the ACLU of Massachusetts. Kade writes, researches, organizes, lobbies, and advocates to ensure privacy and civil liberties law keeps pace with new technologies, with a focus on how systems of surveillance and control impact not just society in general, but also their primary targets: people of color, Muslims, immigrants, and dissidents. Kade’s writing on digital security, surveillance, and state power have appeared in outlets including The Nation, The Guardian, The Boston Globe, New Inquiry, and The Baffler. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx