About: http://webisa.webdatacommons.org/437533092

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	Previous to the internet, the freight for newspapers was mostly paid by classified advertising, not display ads.
http://www.w3.org/ns/prov#wasQuotedFrom	harvard.edu