I’ve used Duolingo quite a bit as a part of my Norwegian training, and to brush up on my French now and then. It’s definitely been effective for me. And I’ve se

I’ve used Duolingo quite a bit as a part of my Norwegian training, and to brush up on my French now and then. It’s definitely been effective for me. And I’ve seen others become tourist-proficient in languages with no training aside from Duolingo. I definitely don’t consider it passive consumption.