<http://schema.org/topics>
"Advertising,Beer,branding,budwiser,Business,contributor,Facebook,features,Mashable,millercoors,narragansett,new belgium brewing,Social Media,Twitter,Web Apps,YouTube"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2010/08/27/beer-social-media/>