<https://www.apptentive.com/blog/2015/12/22/use-data-to-hone-your-mobile-focus/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.apptentive.com/blog/2015/12/22/use-data-to-hone-your-mobile-focus/>