<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Odd_News/2012/06/21/Zoo-apes-get-stimulation-from-iPad-apps/76331340307541/>
<http://www.upi.com/Odd_News/2012/06/21/Zoo-apes-get-stimulation-from-iPad-apps/UPI-76331340307541/?rel=74001356889466>