<http://schema.org/url>
<https://software.intel.com/android/blogs/2014/01/21/free-to-play-games-continue-to-dominate-other-app-monetization-models>
<https://software.intel.com/en-us/android/blogs/2014/01/21/free-to-play-games-continue-to-dominate-other-app-monetization-models?121>