Twitter and Facebook were briefly made available to Iranian internet users on Monday - access to the social networks had been blocked by a firewall since 2009. We take a look at why this may have happened. Also, US networks pick up on a false identification of a suspect in the Washington Navy Yard shooting after Reddit and Twitter circulated misinformation.<br />http://www.france24.com/en/taxonomy/emission/20093<br /><br />Visit our website:<br />http://www.france24.com<br /><br />Like us on Facebook:<br />https://www.facebook.com/FRANCE24.English<br /><br />Follow us on Twitter:<br />https://twitter.com/France24_en