<http://schema.org/description>
"Facebook has announced a new initiative to greatly simplify its advertising products, which will result in half of its ad units shuttered by the end of this year. The core of this plan ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/insider/2013/06/07/facebook-announces-plan-to-simplify-ad-products-eliminating-13-ad-units-by-the-end-of-2013/>