I am a native Turkish speaker and trying to learn Portuguese using my English skills which is going fine so far but then the problem is instead of associating Portuguese with my naturally learnt mother tongue, I am associating it with my not so perfect English (object space -> native language space-> foreign language space -> another foreign language space), which might have some down sides for everyone of your users. Another thing is there are many young internet users in Turkey who doesn't know English at all and a Turkish option might really boost the business for duolingo. This is not only valid for Turkish but all other countries who hasn't been very successful teaching English as a foreign language so far.

December 29, 2012


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