How to Make a Language Learning Product That's Fun and Effective

"We live in a very attention deprived world and so it also has to be fun," says Swarovski. "The most effective way to learn a language might not be a particularly enjoyable way for most people to learn alanguage right?" The more users use your app presumably the better for them and the better for you, he adds. 'So there's a lot of looking at the data of like is this new feature performing well are people using it in the way that we expect'