<http://schema.org/topics>
"adversting,brand ambassador,branding,Business,coca cola,coca-cola happiness ambassadors,consumers,Facebook,features,Lists,Marketing,marketing lists,Mashable,Microsoft,microsoft mvp,pop culture,snapple,Social Media,subway,the snapple lady,the subway guy,Twitter,Wal-Mart,walmart moms,YouTube"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2010/10/25/brand-ambassador-campaigns/>