About: http://webisa.webdatacommons.org/397790286

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	I do not know if you have seen this already, but there is a post floating around about the economics of pinball that makes a compelling argument that focusing only on the high-challenge, hardcore players basically killed pinball.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com