https://www.duolingo.com/HMHsparkley

What is the incubator?

I'm a new member to Duolingo, I'm on level 6 in Spanish, and I've been hearing all this talk about this "incubator thingy" and I have positively absolutely no idea what they are talking about. What is the incubator and what does it do?

October 15, 2013

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