<http://schema.org/description>
"Google has added a new drop-down menu to its search results page beside every URL with three options: Cached, Similar, and Share. At the same time, the company has apparently removed ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2013/04/25/google-toys-with-removing-instant-preview-in-search-adds-dropdown-menu-with-cached-similar-share-options/>