Drone Journalism Lab researcher Ben Kreimer is limited to testing drones indoors. Courtesy of Drone Journalism Lab hide caption

itoggle caption Courtesy of Drone Journalism Lab

U.S. journalist Simon Ostrovsky in Moscow in 2004. He was reportedly released on Thursday after being held briefly by pro-Russian separatists in eastern Ukraine. Alexander Nemenov/AFP/Getty Images hide caption

itoggle caption Alexander Nemenov/AFP/Getty Images

In a photo taken earlier this month, U.S. reporter Simon Ostrovsky stands with a pro-Russian gunman at a seized police station in the eastern Ukrainian town of Slovyansk. Ostrovsky has reportedly been seized by the pro-Russian insurgents. Efrem Lukatsky/AP hide caption

itoggle caption Efrem Lukatsky/AP

Journalists Laura Poitras and Glenn Greenwald helped The Guardian win a Pulitzer Prize for public service along with The Washington Post Monday, for their stories based on NSA documents provided by Edward Snowden. Stan Honda/AFP/Getty Images hide caption

itoggle caption Stan Honda/AFP/Getty Images

Volunteers scan financial documents in a building at the residence of Ukraine's former President Viktor Yanukovych for further investigations in Kiev Wednesday. Some documents were fished out of the Dniepr river where they were dumped as the former President fled the city. Etienne De Malglaive/Getty Images hide caption

itoggle caption Etienne De Malglaive/Getty Images

Reporter Glenn Greenwald, who became famous reporting on NSA contractor Edward Snowden's disclosure of the NSA's government surveillance programs, is leaving the Guardian to form a new media company with eBay founder Pierre Omidyar. Vincent Yu/AP hide caption

itoggle caption Vincent Yu/AP