<http://schema.org/url>
<http://www.huffingtonpost.co.uk/2012/05/09/twiter-stands-up-for-its-users_n_1502492.html>
<http://www.huffingtonpost.co.uk/2012/05/09/twiter-stands-up-for-its-users_n_1502492.html?ref=uk-twitter>