<http://schema.org/topics>
"e3,electronic entertainment Expo,Gaming,infographics,Microsoft,Nintendo,PlayStation Vita,sony,Tech,trending,Weekend Gaming,Wii U,xbox 360"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2011/06/11/e3-buzz-webtrends/?WT.mc_id=en_wii-u>