Piazza is an online platform designed to facilitate communication and collaboration among students and instructors in educational settings. It provides a space where students can ask questions, engage in discussions, and receive answers from peers and instructors in real-time. The platform supports Q&A interactions, allowing for collaborative learning while offering features such as anonymous posting, organized threads, and endorsements of helpful responses. Piazza is available through both web and mobile applications, aiming to enhance the learning experience by making classroom engagement more interactive and efficient.