<http://schema.org/url>
<http://thenextweb.com/apps/2011/06/29/save-files-from-the-web-to-dropbox-with-just-their-urls-using-sidecloudload/>
<http://thenextweb.com/apps/2011/06/29/save-files-from-the-web-to-dropbox-with-just-their-urls-using-sidecloudload/>