About: http://webisa.webdatacommons.org/196772422

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	A phone headset was physically inserted into the rubber holes of an acoustic coupler [!] and in one hole there was a speaker and in the other hole a microphone.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com