Introduction to the distance learning environment -- The distance learning needs of K-12 schools -- (Re)Educating the corporation -- Distance learning needs of universities -- State-based distance learning initiatives -- NII and the distance learning initiatives of the Federal and State governments -- NII and distance learning initiatives of the telephone companies -- The role of the cable TV companies and the AAPs -- The Internet and distance learning -- Case Study: Implementing high-performance IDL systems in K-12 -- Case study of distance learning at New York University: the virtual college -- Case study: Westcott communications and distance learning