<http://schema.org/thumbnailUrl>
<http://www.connectedly.com/sites/connectedly.com/files/styles/thumbnail/public/article_images/2014/08/sony_smart_tennis_sensor_racket_press.jpg?itok=TSIK_kgo>
<http://www.connectedly.com/sonys-200-smart-tennis-sensor-will-tell-you-everything-thats-wrong-your-swing>