"Hey, you missed your Korean lesson - you know what happens now!" Duolingo uses threats to motivate students to study harder ...

"Learn Korean or Else", is the motto as the lovable mascot Duo becomes a creepy Pink Guard in a parody of the series.

Duolingo's AI-driven, gamified freemium model is driving strong user growth, with DAUs up 54% and paid subscribers up 47% ...