About: http://webisa.webdatacommons.org/450172455

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	DRM is the largest barrier, Mr. Smith says, referring to the lack of e-book popularity.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com