<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/US/2012/10/14/SciTechTalk-Amazons-razor-blade-choice/89971350210660/>
<http://www.upi.com/Top_News/US/2012/10/14/SciTechTalk-Amazons-razor-blade-choice/UPI-89971350210660/ph1/>