About: http://webisa.webdatacommons.org/38028621

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	The math is very easy, for the iPhone in particular to be indistinguishable to the eyes, it must be around 11 inches away from your face.
http://www.w3.org/ns/prov#wasQuotedFrom	webosnation.com