Chantal Heijnen for DuolingoLuis Von Ahn is the CEO and cofounder of Duolingo.Millions of people across the world are practicing social distancing or are in quarantine right now due to the novel coronavirus pandemic.To pass the time, many people have taken up a new language, data from language learning company Duolingo shows. From March 9 to March 30, the number of new users of Duolingo jumped by 148% in the US.The top five language courses include German, French, and Spanish.Visit Business Insider's homepage for more stories.The novel coronavirus pandemic has forced millions into self-quarantine, leaving many with a lot more time on their hands. And a lot of people are using this time to learn a new language.Language learning company Duolingo, known for its free game-like website and app,