Google Questions and Answers was a free knowledge market that allowed users to collaboratively find answers to their questions. Launched June 28, 2007; shut down June 23, 2014 — it lived 6 years. One of 12 Google products killed in 2014. Google Answers was an online knowledge market offered by Google, active from April 2002 until December 2006. Wiki link Data: Killed by Google (killedbygoogle.com, MIT).