 PITTSBURGH, Oct. 14, 2021 GLOBE NEWSWIRE -- Duolingo, Inc. Nasdaq: DUOL, the worlds leading mobile language learning platform, will announce its results for the third quarter ending September 30, 2021 following the close of the U.S. market on Wednesday, November 10, 2021. The Company will host a corresponding conference call and webcast at 5:30 p.m. Eastern time on that day. 