AT&T Corp. is the world's premier communications and information services company, serving more than 90 million customers in 200 countries and territories around the world. It has annual revenues of more than $52 billion and more than 130,000 employees. AT&T runs the world's largest, most sophisticated communications network and is the leading provider of long-distance and wireless services. It also offers online services and access to home entertainment, and has begun to deliver local telephone service.