<https://www.subscriptioninsider.com/#/schema/person/a65c0ea5e8ce8a5ad0dbac5b5dd24dcf>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Person>
<https://www.subscriptioninsider.com/article-type/subscriber-only/customer-retention-2020>