The idea that learning another language should be free is the core idea behind Duolingo. Over the past few years, the app has strived to make learning a new tongue convenient, portable and fun. Now the company's trying to turn its free language learning tools into a profitable business by introducing a premium service. Don't worry, though -- Duolingo Plus doesn't take away your free language course, it just gets rid of its ads.
Via: TechCrunch
Source: Duolingo
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