The popular language learning platform Duolingo today announced that it has closed a $20 million Series C round led by Kleiner Perkins Caufield & Byers. As Duolingo’s founder Luis von Ahn told me, the ...
In 2012, Duolingo co-founder Luis von Ahn defied the prevailing wisdom of building desktop-first experiences and pushed his nascent language learning startup onto mobile. A year later, Duolingo was ...