<http://schema.org/url>
<https://tctechcrunch2011.files.wordpress.com/2011/09/images-screenshots-captures-amazon-appstore-logo-21032011_00b4000000001978.jpg?w=150>
<https://techcrunch.com/2013/05/24/amazon-launches-app-engagement-reports-allowing-appstore-developers-to-track-app-usage-revenue/>