<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDE0LzA0LzExLzJhL1R3aXR0ZXIuanBnLjczM2Y1LmpwZwpwCXRodW1iCTEyMDB4NjI3IwplCWpwZw/242c4093/66c/Twitter.jpg.jpg>
<http://mashable.com/2014/04/11/twitter-users-dont-really-tweet/>