<http://schema.org/url>
<http://thenextweb.com/insider/2012/07/27/rip-sparrow-the-beloved-mail-client-is-open-sourced-for-personal-use-only/>
<http://thenextweb.com/insider/2012/07/27/rip-sparrow-the-beloved-mail-client-is-open-sourced-for-personal-use-only/>