<https://www.activemarketing.com/#/schema/person/image/>
<http://schema.org/contentUrl>
<https://secure.gravatar.com/avatar/0a0d5d437e4b4c8ca209b91eaabfe7cd?s=96&d=wp_user_avatar&r=g>
<https://www.activemarketing.com/blog/archive/seo-meet-social-media-how-digital-marketing-convergence-will-change-your-business/>