About: http://webisa.webdatacommons.org/24695948

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	Some use the screen, do not know what other options there are except maybe the camera flash.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com