May 4 : Duolingo posted strong first-quarter results but signaled a more measured growth trajectory ahead, as the language-learning app prioritizes user engagement and product improvements over near-term monetization.Shares of the Pittsburgh-based company slumped 11 per cent in volatile extended trading.

May 4 : Duolingo posted strong first-quarter results but signaled a more measured growth trajectory ahead, as the language-learning app prioritizes user engagement and product improvements over near-term monetization.At the heart of Duolingo's strategy is a deliberate shift toward prioritizing user experience