Virtual reality evolution or revolution

There is a growing body of research which can lead to a strong rationale for virtual reality as the next generation of human computer interface. As an interface metaphor, virtual reality clearly has great potential, throughout industry, commerce, and leisure. But how will it gain acceptance. It is the author´s belief that this will be a process of evolution rather than revolution. Much has been written about the limitations of underlying computer systems, and 3D peripherals but there is a fundamental need for more powerful and flexible software upon which to build this new generation interface