<http://schema.org/image>
<http://rack.3.mshcdn.com/media/ZgkyMDE0LzAxLzMxLzdjL1BlYmJsZV9TbWFyLjY1N2QzLmpwZwpwCXRodW1iCTEyMDB4NjI3IwplCWpwZw/87d975dd/31d/Pebble_Smartwatch_Wearbable-14.jpg>
<http://mashable.com/2014/01/31/ask-a-dev-wearables/>