About: http://webisa.webdatacommons.org/139457359

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	True, other sources of income, such as advertising, may be required to support the ???free??? business model.
http://www.w3.org/ns/prov#wasQuotedFrom	techliberation.com