<http://schema.org/description>
"The concept of changing people\u2019s behavior by offering rewards isn\u2019t new: think of store loyalty cards or airline points systems. Gamification takes customer engagement to a whole ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/insider/2012/04/01/gamification-adding-stickiness-to-your-campaigns/>