Emily Parker is a New America Foundation Future Tense Fellow and the writer of "Now I Know Who My Comrades Are: Voices From the Internet Underground" (Sarah Crichton Books/Farrar, Straus, and Giroux, 2014). The book discusses how the Internet and social media have impacted China, Cuba, and Russia. Emily Parker formerly worked on Secretary Clinton's Policy Planning team at the US Department of State. She consulted on Internet freedom, digital diplomacy, and open government. At the same time, at State, she traveled to the Middle East to investigate the role of new media in post-revolutionary...