<https://events.com/faq/article/can-i-use-events-com-everysale-app-on-an-ipad-or-iphone/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://events.com/faq/article/can-i-use-events-com-everysale-app-on-an-ipad-or-iphone/>