About: http://webisa.webdatacommons.org/91448566

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In fact, they integrate with a number of partners including Mailchimp and others you have listed here.
http://www.w3.org/ns/prov#wasQuotedFrom	socialmouths.com