<http://schema.org/topics>
"brightkite,early adopter,Earth,GPS,lifestreaming,microblogging,Mobile,mobile phones,opinion,search,social software,starbucks,Twitter,web,web 2.0"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2008/06/24/alerting-all-stalkers-you-can-find-me-here/>