<http://schema.org/url>
<http://www.phonedog.com/sites/phonedog.com/files/blog/main_image/2013/12/180239-main-large-gmail-to-show-images-by-default.jpg>
<http://www.phonedog.com/2013/12/12/gmail-to-begin-showing-images-by-default-on-desktop-and-in-mobile-apps>