Duolingo Raises $45 Million Series D Round Led By Google Ventures, Now Valued At $470M

 Duolingo, the free language learning service co-founded by reCAPTCHA inventor Luis von Ahn, today announced that it has raised a $45 million investment round led by Google Ventures. The company’s previous investors, which include the likes of Union Square Ventures, NEA and Kleiner Perkins Caufield & Byers, as well as Ashton Kutcher and Tim Ferris, also participated in this… Read More