<https://secure.gravatar.com/avatar/7cfd172e2046d85a27e4c634b3858a1b?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://weprospect.co/blog/converting-leads-to-sales-qualified-leads/>