Bells Law states that "a new computer class forms roughly each deca establishing a new industry." In other words, digital devices will evolv quickly that they will enable new platforms, programming environme industries, networks, and information systems every 10 years. The ev of digital technology has fundamentally altered businesses and beco primary driver of corporate profitability. It will probably continue to do at least the next few decades. The key to understanding how busines affected by this digital evolution is understanding the forces pushing evolution of these new digital devices