Learning a new language can be a challenging and intimidating task. However, thanks to advancements in technology, language learning has become more accessible and enjoyable than ever before. One platform that has made a significant impact in this field is Duolingo, a language-learning app that has helped millions of people worldwide achieve their language goals. Duolingo was created in 2011 by Luis von Ahn, a Guatemalan computer science professor, and Severin Hacker, a Swiss software enginee...