Google Maps Engine was an online tool for map creation. It enabled you to create layered maps using your data as well as Google Maps data. Launched July 1, 2013; shut down February 1, 2016 — it lived 2 years. One of 21 Google products killed in 2016. https://mangomap.com/blog/the-end-of-google-maps-engine-causes-mass-confusion/ Data: Killed by Google (killedbygoogle.com, MIT).