<http://schema.org/description>
"One of my favorite features of Google's search product is the predictive text for instant suggestions on what to search for.  Today, Google is making that feature available for AdWords ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2012/07/11/google-announces-search-as-you-type-to-lift-sales-and-engagement-for-website-owners/>