<http://schema.org/topics>
"Android,android lists,APIs,Apple,news,Dev &amp; Design,developers,development,iPhone,job search,Job Search Series,Mashable,Mobile,mobile apps,mobile devices,trending,web development,windows phone 7"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2010/11/07/how-to-mobile-app-development/>