Reading the comments here gives me the impression that Duolingo is more of a game than a language learning ressource. Interestingly Zynga, makers of Farmville,

Reading the comments here gives me the impression that Duolingo is more of a game than a language learning ressource. Interestingly Zynga, makers of Farmville, targeted a $7B valuation on the day of their IPO nearly 10 years ago [0], it quickly dropped after though [1]. [0] https://money.cnn.com/2011/12/14/technology/zynga_ipo_price/index.htm https://money.cnn.com/2011/12/14/technology/zynga_ipo_price/... [1] https://www.forbes.com/sites/roberthof/2011/12/16/zynga-ipo-goes-splatville-what-happened/ https://www.forbes.com/sites/roberthof/2011/12/16/zynga-ipo-...