Reply was a mobile app that let users insert Smart Replies (pre-defined replies) into conversations on messaging apps. Launched February 1, 2018; shut down October 11, 2018 — it lived 8 months. One of 15 Google products killed in 2018. Reply was an app by Area 120, Google's experimental workshop, released to closed beta testing in February 2018, and shortly after reported as leaked. The app allowed users to insert pre-defined replies called "Smart Replies" into conversations on messaging apps on their phone such as Facebook Messenger, Slack and Google Hangouts. The beta testing was cancelled in October, 2018. Wiki link Data: Killed by Google (killedbygoogle.com, MIT).