<http://schema.org/description>
"In our 140 character limited world, shortened links are essential to sharing information with people. However, what if you have a bunch of links you want to share all at once? Usually ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2010/11/16/bit-ly-pulls-links-together-with-bundles/2010/>