<http://schema.org/thumbnailUrl>
<http://www.androidcentral.com/sites/androidcentral.com/files/styles/thumbnail/public/article_images/2014/08/google-play-oneplus.jpg?itok=IaRXUzxy>
<http://www.androidcentral.com/top-app-device-and-accessory-sales-august-8-2014>