<https://saucal.com/blog/take-advantage-of-user-generated-content-to-boost-your-woocommerce-sales/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://saucal.com/blog/take-advantage-of-user-generated-content-to-boost-your-woocommerce-sales/>