so duolingo is so gamefied, https://en.wikipedia.org/wiki/Gamification
and you know, it's really actually useless
the other competitors are actually fake
and i'm not sure if it is improves learning
so duolingo is so gamefied, https://en.wikipedia.org/wiki/Gamification
and you know, it's really actually useless
the other competitors are actually fake
and i'm not sure if it is improves learning