AT&T Fiber is a high-speed internet service offered by AT&T, providing customers with fast and reliable connectivity. It uses fiber-optic technology, which allows for faster data transmission compared to traditional cable or DSL services. With speeds up to 5 Gbps, it is suitable for activities like streaming, gaming, and working from home. The service is available in select areas across the United States, making it an attractive option for those seeking improved internet performance. AT&T Fiber also includes features like no data caps and a reliable connection, ensuring users can enjoy uninterrupted online experiences.