1987 en Apple's Knowledge Navigator

It is the year 1987 and Apple presents their vision of the future with the futureshock Knowledge Navigator. We know nowadays that this concept still science fiction is. Because having a normal conversation with you computer is still impossible. But the progress of thechnology is going very fast. So when will this concept be a reality? In about 10 till 15 years. I think within 10 years. what do you?