The campaign, "Learn Korean or Else," includes a new voice-activated TikTok filter, inspired by the Red Light, Green Light ...

However, nothing will ever come close to watching a show in a language that you truly understand, and while two weeks might not be enough to learn Korean, Duolingo wants to help you get started.

Korean is rapidly growing in popularity, in a language-learning boom driven by the popularity of the country's pop stars. A desire to learn the lyrics of K-Pop hits like Gangnam Style has boosted ...