Infographic: Metadata and data retention explained August 8, 2014 2.18am EDT Emil Jeyaratnam and Helen Westerman Authors Emil Jeyaratnam Multimedia Editor, The Conversation Helen Westerman Business + Economy Editor, The Conversation Partners View all partners Republish this article Republish our articles for free, online or in print, under Creative Commons license. Online privacy Surveillance National security Malcolm Turnbull Metadata George Brandis Data retention Help combat alt-facts and fake news and donate to independent journalism. Tax deductible. Make a donation You might also like VIDEO: Michelle Grattan on the backlash to the 18C changes Injured people are assisted after an incident on Westminster Bridge in London. REUTERS/Toby Melville London attack: Terrorism expert explains three threats of jihadism in the West The Turnbull government’s objectives in seeking to change Section 18C are unclear. AAP/Lukas Coch Proposed changes may confuse rather than clarify the meaning of Section 18C Malcolm Turnbull often claims Australia is the world’s most successful multicultural nation. AAP/Lukas Coch The government’s multicultural statement is bereft of new ideas or policies – why?