The purpose is this book is to put into words, from a philosophical perspective, what is happening within the world of computer technology as to where computer technology is headed, the reasons for its development, and its impact upon humans.
The book talks about the evolutionary development of consciousness whereas computer science primarily talks about putting the pieces together to achieve this evolutionary outcome.
By scrutinizing what is happening in computer science philosophy is able to look at the process from a different perspective using very different terminology necessary to describe the process from a different point of view.