<p>File photo: Two men were found guilty in Saudi courts this week for, among other offenses, messages they posted on Twitter.</p><p>STORY HIGHLIGHTSOne man sentenced to a decade in prison for posting pro-protest messages to TwitterA second man got eight years, convicted of insulting Saudi Arabia's king via TwitterCritics say it's all part of the kingdom's efforts to quash dissent</p><p>(CNN) -- Two men were found guilty in Saudi courts this week for, among other offenses, messages they posted on Twitter.</p><p>On Monday, one Saudi man was sentenced to 10 years in prison for using Twitter to encourage protests and undermine the country's leadership, according to Saudi Arabian state news agency SPA.</p><p><a href="http://www.cnn.com/2014/03/11/world/meast/saudi-arabia-twitter-jail/">Keep reading...</a></p>