Quizlet is an interactive learning platform that allows users to create custom study sets, including flashcards, quizzes, and games, across a wide range of subjects. It uses adaptive learning techniques like spaced repetition to help students memorize content more effectively. Quizlet also provides access to a vast library of pre-made study sets, enabling learners to tap into shared resources. Features like live game modes, real-time progress tracking, and integration of images and audio make Quizlet a versatile tool for both self-study and collaborative learning, supporting a wide variety of learning styles and needs.