<http://schema.org/userInteractionCount>
"0"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2013/04/15/google-analytics-data-shows-56-increase-of-web-page-sizes-since-last-year-but-mobile-access-sped-up-by-30/?_escaped_fragment_=seB9C>