<http://schema.org/dateModified>
"2013-08-01"^^<http://schema.org/Date>
<http://thenextweb.com/apps/2013/08/01/blackberry-opens-up-private-beta-for-bbm-on-android-suggesting-a-full-release-is-just-around-the-corner/?awesm=tnw.to_a0aMU>