<http://schema.org/image>
<http://rack.3.mshcdn.com/media/ZgkyMDE0LzA0LzI5Lzc2L0ZpcmVmb3guZjFkMzguanBnCnAJdGh1bWIJMTIwMHg2MjcjCmUJanBn/373020ae/058/Firefox.jpg>
<http://mashable.com/2014/04/29/firefox-browser-update/>