Duolingo has come a long way from those origins. It’s a gamified language learning app now, but with support of some languages reflecting that earlier crowd-sourced era. This video is a super interesting dive into the history and current state:
FWIW, I like Duolingo and think it is a healthy and productive use of gamification, but that does come at the cost of pure efficiency and comprehensive treatment of grammar. It’s best when paired with other tools.
Most people’s problem with learning a language is not speed, it’s the quit rate.
https://m.youtube.com/watch?v=SoTT-GGmiXA
FWIW, I like Duolingo and think it is a healthy and productive use of gamification, but that does come at the cost of pure efficiency and comprehensive treatment of grammar. It’s best when paired with other tools.
Most people’s problem with learning a language is not speed, it’s the quit rate.