Because most of the essential concepts in computer science were developed by the early 70s. In addition, the concepts were developed in an era of scarce computi

Because most of the essential concepts in computer science were developed by the early 70s. In addition, the concepts were developed in an era of scarce computing resources. Acess to relatively unlimited resources does not foster creativity. The phrase "Necessity is the mother of invention." comes to mind. Look up the youtube demo videos (from the 1960s) of: * Sketchpad * The Mother of All Demos * Grail