Every December, Duolingo learners line up for something they do not get points for. The Year in Review drops, meaning Duolingo’s annual recap goes live, and feeds fill with share cards that look like a clean little summary of effort - streaks, milestones, and the kind of stats people can joke about without needing context. Duolingo has written openly about how deliberate this was. It started as an end-of-year email, moved into the app, and kept evolving based on what people....