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 participate in social media, among other activities. The internet relies on a set of protocols, such as TCP/IP, to ensure data is transmitted accurately and efficiently. Originally developed for military and academic purposes, the internet has evolved into an essential part of daily life for many people. It supports various services, including cloud computing, online shopping, and streaming media, making it a vital tool for communication and entertainment worldwide.