Corpus sources
Apps
EducationDuolingoDuolingo is the world's most popular language-learning platform, offering bite-sized, gamified courses in over 40 languages. Using artificial intelligence and language science, it turns daily practice into a free, engaging mobile and web experience for millions of users worldwide.iOS, Android, Web / 0 screensSocialInstagramInstagram is a popular social media app owned by Meta Platforms, designed for sharing photos, short-form videos, and direct messages.iOS, Android, Web / 0 screensEntertainmentSpotifySpotify is the world’s leading audio streaming service, providing instant access to millions of songs, podcast titles, and audiobooks across 184 markets.iOS, Android, Web / 5 screens