About: http://webisa.webdatacommons.org/56995954

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	Electrical impulses, which are applied to specially shaped, translucent electrodes, enable key graphics or icons to be selectively opened or closed, i.e. turned on or off, to match the operating mode of the device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com