<http://schema.org/description>
"Google has added a search button that shows up when you type anything but a URL into the Chrome Canary omnibox. The experimental feature only appears for some users, suggesting it is ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2013/11/25/google-adds-blue-search-button-omnibox-latest-chrome-build/>