<http://schema.org/url>
<http://www.joystiq.com/2010/08/05/sonic-and-knuckles-rc-cars-make-all-stars-racing-sort-of-real/>
<http://www.engadget.com/2010/08/05/sonic-and-knuckles-rc-cars-make-all-stars-racing-sort-of-real/>