Often remembered as 'Gchat', Google Talk was a messaging service for both text and voice using XMPP. Launched August 22, 2005; shut down May 15, 2013 — it lived 7 years. One of 13 Google products killed in 2013. Google Talk was an instant messaging service that provided both text and voice communication. The instant messaging service was variously referred to colloquially as Gchat, Gtalk, or Gmessage among its users. Wiki link Data: Killed by Google (killedbygoogle.com, MIT).