About: http://webisa.webdatacommons.org/343103750

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	Only a fifth of Yammer's 5m users are thought to pay for its service; Microsoft aims to meld Yammer with its existing software products, such as Office.
http://www.w3.org/ns/prov#wasQuotedFrom	economist.com