About: http://webisa.webdatacommons.org/121384724

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	Pricing hacks of online retailers covers tricks such as the power of free, per-customer limits, dynamic pricing, time limits, the 9 factor, easy math, pay what you want, freemium, no dollar signs and X for $X.Link to Original Source
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org