Duolingo becomes first VC-funded $1B Pittsburgh tech startup
They have users... but the tool(app), other than being really cute and well made, is super basic...
You can't expect to be fluent enough in a language JUST with Duolingo, at most you will be able to read a few sentences and spit out a few basic sentences and words.Is that enough? Definitely not. Not for me at least.
They basically give you the 'hello world' of a language.I speak 5 languages (learned through school and life choices) but when I tried to learn a 6th on Duolingo I felt like the experience was not good enough for me. A tutor or a class would probably be mandatory and using Duolingo just for re-affirming some basic concepts would be a nice to have, like a companion app..but they have to be able to let teachers create their own lessons.