<http://schema.org/url>
<http://www.businessweek.com/articles/2013-04-02/amazon-is-the-cloud-to-beat-but-google-has-the-cloud-to-watch-dot-heres-why>
<http://www.bloomberg.com/bw/articles/2013-04-02/amazon-is-the-cloud-to-beat-but-google-has-the-cloud-to-watch-dot-heres-why>