Very cool
I like the interactive lessons. I also like the graded repetition. I have been doing daily lessons for 2 1/2 years and just recently upgraded to Duolingo Plus. It is nice not having to watch ads or worry about having to refill my hearts if I make too many mistake or typos. I do all of my lessons on my iPhone so typos and auto correct are a common source of errors. I don’t always catch errors if I am in a hurry. I have seen a lot of improvement in the program in the 2 1/2 years that I have been using it. I love the stories, but I have finished all of them. I’m looking forward to more. Keep up the good work Duolingo Team!