<http://schema.org/url>
<http://thenextweb.com/twitter/2011/12/08/twitter-just-made-it-a-whole-lot-easier-to-embed-tweets-anywhere-on-the-web/>
<http://thenextweb.com/twitter/2011/12/08/twitter-just-made-it-a-whole-lot-easier-to-embed-tweets-anywhere-on-the-web/>