<https://www.rippletraining.com/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebSite>
<https://www.rippletraining.com/plugins-support/callouts-help-docs/attachment/rt2_working-with-the-box-corner-point-callout-2/>