Yatter AI is a personal AI assistant that can be accessed through WhatsApp and Telegram. It offers a variety of features, including the ability to understand voice messages, detect text from images, read short PDFs, get live and predict weather updates, and answer questions in a comprehensive and informative way. Yatter AI can be used by students, corporate employees, aspiring entrepreneurs, and anyone else to get information on the go, help with work tasks, and learn new things.