favorite serials in the original language, working with text, the pronunciation of single words and phrases, introducing new words in the diary, as well as using some social mechanisms.

The market for online language learning is a part of the actively growing market of online education, which is being actively developed since 2012, when such projects as Coursera, EdX and Udacity were launched. Today 20 million. people are users of the top 10 world services in online education, More than $ 300 million have been invested in these projects. The size of the market is estimated to be $ 40 billion.