The Challenges of Building a Product in Duolingo

I think everyone and their different realms and industries is trying to find the space and the time to kind of figure figure it out and play with things. You can pretty much get a concept of how you might build a product most of the way, but that final 10% of getting it to a full functional production product is definitely the challenging piece. It's very intentional as we on Duolingo about how we introduce new words to learners, we're very intentional about okay here they know XYZ concepts let's introduce this one new concept to them so they can kind of learn that on isolation. GPD4 will just say hey let me just start talking to this person let me have a natural