<http://schema.org/thumbnailUrl>
<https://gigaom.com/wp-content/uploads/sites/1/2014/01/shutterstock_172258904.jpg?quality=80&amp;strip=all>
<http://gigaom.com/2014/01/30/ibm-researchers-build-the-best-graphene-based-circuit-yet-use-it-to-send-a-text-message/>