<http://schema.org/topics>
"April Fools' Day,Google,google maps,Google+,Memes,trending,Uncategorized,U.S.,Watercooler,World"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/03/31/google-maps-8-bit/?WT.mc_id=en_google-plus>