Advantages and disadvantages of Duolingo application.
DUOLINGO. What is Duolingo? Duolingo is a free language learning app created by Luis von Ahn and Severin Hacker. Apart from being available in a web version, this application is also available in Android, iOS and Windows Phone versions. Duolingo is an application for learning Spanish, French, German, Italian, Portuguese from English. So, at least you have to be able to speak English because the language of instruction used is English. Duolingo was launched on November 30, 2011 and collected a waiting list of more than 300,000 users. Duolingo was launched to the public on 19 June 2012 and in January 2014 had 25 million users, and had 10 million active users. "Play while learning", was the sentence that best described Duolingo. Using a mix of audio, visuals as well as questions about the grammar of a language, you will be taught to remember a new language in a very fun way. In 2013, Apple selected Duolingo the iPhone App of the Year, the first time this award has
