About: http://webisa.webdatacommons.org/210147828

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	tells us that Out-of-home advertising and billboards are the oldest forms of advertising.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net