<http://schema.org/topics>
"american express,apps,Business Lists,charity,Choose Haiti,Christmas,Gifts,Green Gift Monday,H.E.L.P. Haiti,haiti,Holidays,How Good Grows,iPhone,iPhone Apps,Kevin Bacon,Lists,Nature Conservancy,Online Red Cross Kettle,Small Business Saturday,Social Good,Social Media,Yahoo"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2010/11/29/social-good-campaigns-holidays/>