Social media platforms such as Twitter and Facebook are widely used in Saudi Arabia, with nearly 30 percent of Arab region Twitter users from Saudi. Twitter has become an important platform for expressing dissent. However, liberal citizens, and more recently conservatives, have been arrested and sometimes given punishments, such as prison time and fines, for criticizing the government on social media. The government has been reported to have a hand in utilizing bots and human "trolls" in order to minimize the work of its critics on Twitter. Saudi was also accused of infiltrating Twitter through a Saudi employee that joined the company in 2013 but was put on leave two years later after the potential plot was brought to the attention of Twitter.