Instant Messaging is a type of communication technology that allows users to send and receive real-time messages over the internet. It enables people to have text-based conversations with one another, without having to use email or phone calls. Instant messaging services typically allow for features such as file sharing, voice chat, video conferencing, and more. The main appeal of instant messaging is its speed and convenience - messages are delivered instantly, allowing users to communicate in real-time, regardless of their location.