About: http://webisa.webdatacommons.org/255685400

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	Selling skimmers was difficult because it was hard to convince customers of the new technology, especially with competitors decrying their use as unnecessary and even deleterious. 1970s.
http://www.w3.org/ns/prov#wasQuotedFrom	fishchannel.com