About: http://webisa.webdatacommons.org/245248043

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	AT&T's push-to-talk was already available on a variety of devices including the Samsung Galaxy S III, other Samsung phones, some BlackBerrys, and a few ruggedized phones.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com