About: http://webisa.webdatacommons.org/37541539

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	In a presentation, Yammer chief executive David Sacks showed that within the old, current Yammer, users could attach files, including pictures.
http://www.w3.org/ns/prov#wasQuotedFrom	pcmag.com