Throughout the years, AT&T Labs remained an innovator. Our inventors pioneered new technologies and developed promising new products and services. These innovations range from IP network management and optical technology to automatic speech recognition and next-generation text-to-speech products. AT&T Labs has a rich heritage of innovation. Since 1901, our researchers and engineers developed some of the world's major technological inventions, including the transistor, the creation of the field of Information Theory, the solar cell, and the communications satellite. Today, our teams of technologists continue to invent technologies that enable AT&T to bring a new generation of universal network and communications services.