On Episode 5 of Tech on the Rocks, Gigi Sohn talks to Color of Change Campaign Advisor Brandi Collins-Dexter about the history of surveillance of civil rights protestors and communities of color, how sophisticated technologies have made spying ubiquitous and what protestors can do to protect themselves. They also discuss Color of Change’s efforts to get Facebook to moderate hate speech and how to ensure that tech companies incorporate civil rights principles in every aspect of their businesses.

Full episode at Tech on the Rocks.