"When traditional journalists were forced to leave the country, Twitter became a window for the world to view hope, heroism, and horror," The Telegraph quoted Pfeifle, as saying.
Image: People of Iranian origin hold images purporting to show Neda Agha Soltan, allegedly killed during a protest in Tehran, as they protest against the regime in Iran, during a demonstration in Zurich, Switzerland, on June 24, 2009. The death of the woman identified was captured on amateur videos and spread around the world in less than 48 hours on YouTube, Facebook, blogs and Twitter. (Copyright AP. Unauthorised reproduction prohibited.)