About: http://webisa.webdatacommons.org/54068990

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 the noncommunist world advertising has become a large and important service industry.In the ancient and medieval world such advertising as existed was conducted by word of mouth.
http://www.w3.org/ns/prov#wasQuotedFrom	britannica.com