Forty years ago Steve Jobs revolutionised personal computing by launching the Apple Macintosh, the first PC with a user-friendly mouse and graphical interface that helped the machines enter the everyday lives of people for the first time.
Jobs, playing the showman inventor to perfection in a black suit and silver bow tie, opened a zipper bag in an auditorium in Cupertino, California, on January 24, 1984, and lifted out a lightweight computer that not only operated at the click of a button but also, thrillingly, talked.
