Quick Post via Twitter: How to become a #mentor on @exercism_io (https://t.co/cDThiuDfF4 aka https://t.co/qfqeuc8TqI) #qp #edu #learn #programming 309: Rebuilding #Exercism from the ground up — The @Changelog https://t.co/DTKaiUkpMj https://t.co/GSrDkR9bUV