If you ask language learners what the hardest part of acquiring a new language is, many of them will probably say, “Building a decent vocabulary so that I stop sounding like a four-year-old.” Adult learners usually experience fewer problems with conceptualization and understanding the structure and grammar rules than kids, but memorizing new words and
Duolingo is undoubtedly one of the most popular language learning applications, if not the most popular one. Cute and simple interface; gamified learning script; ongoing competition between users; learning materials given in small, chewable pieces; audio with pronunciation of the words; achievable goals — all that makes Duolingo a very attractive and addictive application. But
