Tuesday, October 30 at 10 p.m. on PBS

Are you careful of what you post online? Do you get curious about what happens to the information you put on social media? FRONTLINE's award-winning investigative team confronts this issue about personal information online, what happens to it, and the consequences of its dissemination in the the wrong hands. Catch the second episode of this two-part documentary about the the social media platform, Facebook, in the investigation of its involvement in historic social and political movements in the world.