<http://schema.org/mainEntityOfPage>
<http://mashable.com/2006/12/28/social-roundup-wallhogs-youtube-for-president-elvis-on-myspace-sportsgist-and-more/True>
<http://mashable.com/2006/12/28/social-roundup-wallhogs-youtube-for-president-elvis-on-myspace-sportsgist-and-more/>