<http://schema.org/userInteractionCount>
"55"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/shareables/2013/01/21/spotted-sergey-brin-wearing-google-glass-specs-as-he-blends-in-on-nyc-subway/?awesm=tnw.to_c0UQR>