Seems like a fair article about Duolingo and its relation to language learning and competing apps it its space. I have a grip about a tiny part of the article,

Seems like a fair article about Duolingo and its relation to language learning and competing apps it its space. I have a grip about a tiny part of the article, when it mentions Ibo, a Nigerian tribal language. Leave the "tribal" bit out - we're not living in the 20th century any more.