<http://schema.org/url>
<http://thenextweb.com/twitter/2011/09/08/twitter-ceo-dick-costolo-on-google-the-ecosystem-and-ipo-rumors/>
<http://thenextweb.com/twitter/2011/09/08/twitter-ceo-dick-costolo-on-google-the-ecosystem-and-ipo-rumors/>