The Internet is a global network that connects millions of computers and devices, allowing them to communicate and share information. It enables users to access websites, send emails, and use various online services. The Internet relies on a system of protocols, such as TCP/IP, to ensure data is transmitted accurately and efficiently. Originally developed for military and academic purposes, the Internet has grown to become an essential part of daily life for many people. It supports various applications, including social media, online shopping, and streaming services, making it a vital tool for communication and entertainment worldwide.