Free virtual event features new LinkedIn integration, chess course expansion, and a fresh take on learning through playPITTSBURGH, Sept. 16, 2025 (GLOBE NEWSWIRE) -- Duolingo (NASDAQ:DUOL), the world’s leading mobile learning platform, today announced two major product updates at its annual global event, Duocon 2025: a first-of-its-kind integration that brings the Duolingo Score to LinkedIn Profiles, and the expansion of its popular Duolingo Chess course with an Android launch and new player-versus-player m ...