Twitter goes green for Iran: During the 2009 Iranian election, thousands of protesters took to the streets to speak out against alleged electoral fraud and to support opposition candidate Mir-Hossein Mousavi. Twitter played a role in the protests both in Iran and around the world. Organizers in Iran used the online service to spread news, safety warnings, and locations of political rallies. Outside of the country, many Twitter users tinted their profile icon green to show solidarity with this so-called Green Revolution. Here, an Iranian student gestures during a protest on Feb. 11 in Singapore. About 30 Iranian students wore green clothes and held signs reading "Iran wants freedom" and "Stop human rights violations against students in Iran" along with photos of protesters who the students said had been killed by government security forces in Iran.