About: http://webisa.webdatacommons.org/215080877

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	The only thing I see surpassing it would be if some multi-function table devices that do a lot of stuff other than read books explode in the mainstream. i.e. maybe the rumored Apple tablet device.
http://www.w3.org/ns/prov#wasQuotedFrom	mobileread.com