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 licence. Online privacy Surveillance National security Malcolm Turnbull Metadata George Brandis Data retention You might also like Australia’s major parties seem uninterested or unable to respond to a drastically transformed world. AAP/Lukas Coch Australia’s political elites are fiddling while Rome burns Parliament has closed for the Christmas break after a turbulent year. AAP/Mick Tsikas Parliament finishes for 2016, capping off a messy, turbulent year VIDEO: Michelle Grattan on the final week of parliament Previously presumed dead, Australian citizen Neil Prakash was arrested at the Turkish border in late November. ABC News How hard will it be for Australia to extradite and prosecute Neil Prakash?