<http://schema.org/image>
<http://rack.0.mshcdn.com/media/ZgkyMDEzLzAxLzE3L2E4L2ZhY2Vib29rdHdpLmNmZDRhLmpwZwpwCXRodW1iCTEyMDB4NjI3IwplCWpwZw/4eefc700/75a/facebook-twitter-app-icons-istock-600.jpg>
<http://mashable.com/2012/02/07/social-networks-react-to-prop-8/>