Grasshopper was a free mobile and web app for aspiring programmers that taught introductory JavaScript and coding fundamentals using fun, bite-sized puzzles. Launched April 18, 2018; shut down June 15, 2023 — it lived 5 years. One of 15 Google products killed in 2023. https://www.androidpolice.com/google-grasshopper-code-learning-shut-down-date-revealed/ Data: Killed by Google (killedbygoogle.com, MIT).