<http://schema.org/mainEntityOfPage>
<http://www.engadget.com/2011/06/21/seesmic-twitter-app-drops-blackberry-support-rims-frown-sags-e/True>
<http://www.engadget.com/2011/06/21/seesmic-twitter-app-drops-blackberry-support-rims-frown-sags-e/?ncid=rss_semi>