Duolingo, Inc. develops a language-learning website and mobile app in the United States and China. The company offers courses in 40 different languages, including Spanish, French, Japanese, German, Korean, Italian, Chinese, Hindi, Russian, Arabic, Turkish, Portuguese, and others. It also provides a digital language proficiency assessment exam. The company was founded in 2011 and is headquartered in Pittsburgh, Pennsylvania. Τελευταία άρθρα για μετοχές