Duolingo: Learn a language anytime, anywhere
Duolingo is a widely popular free web and mobile application for learning foreign languages. Language enthusiasts can explore and practice more than 22 languages through Duolingo . According to Wikipedia sources, with a nearly five-star rating, this tool has over 200 million users worldwide. The application is downloadable to desktops, android and iOS smartphones. The green owl sends you nice reminders via email once you register yourself for a language. It motivates you every time you complete a level of the language tree. In simpler terms, its all about learning by doing. Here is a YouTube video on how Duolingo actually works: This tool offers scheduled practice for learners and based upon the frequency of practice and retention, learning becomes spontaneous. The basic idea behind portability of such an app is informal autonomous learning, anywhere, anytime. The game like learning space constitutes of exercises such as fill in the gaps, building sentences from word