<http://schema.org/thumbnailUrl>
<http://www.androidcentral.com/sites/androidcentral.com/files/styles/thumbnail/public/postimages/108579/google-io-2013-registration-date.png?itok=8E1g8UwG>
<http://www.androidcentral.com/google-io-2013-registration-date-briefly-appears-google-site>