<http://schema.org/description>
"Facebook has continued to push its Messenger service for mobile after it announced a deal to bring free and discounted use of its messaging apps to customers of 18 operators across ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2013/02/25/facebook-partners-with-18-global-operators-to-offer-freediscounted-mobile-data-usage/>