<http://schema.org/image>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2013/12/P1040857-520x245.jpg>
<http://thenextweb.com/apps/2013/12/09/codecademy-hour-code-app-iphone-teaches-basics-programming-anytime-anywhere/?_escaped_fragment_=pvPMs>