<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/11/50/480x240/landscape_tech_top_20_gadgets_2011_sony_3d_viewer.jpg>
<http://www.digitalspy.com/gaming/news/a372077/microsoft-patents-aviation-styled-gaming-helmet/>