<http://schema.org/mainEntityOfPage>
<http://www.tmz.com/2010/09/01/heidi-montag-spencer-pratt-sex-tapes-xxx-kill-switch-vivid-steven-hirsch-porn/>
<http://www.tmz.com/2010/09/01/heidi-montag-spencer-pratt-sex-tapes-xxx-kill-switch-vivid-steven-hirsch-porn/4/>