About: http://webisa.webdatacommons.org/42328715

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	But it took a long time for e-mail to become the phenomenon it is today, mainly because neither the network nor the computers were in place.
http://www.w3.org/ns/prov#wasQuotedFrom	computerweekly.com