Any resemblance between G-Speak and the computers in the film is more than incidental: designer John Underkoffler, who developed the system, was one of the scientific advisers to the production team.

• 与传统的（鼠标）“拖动、点击”的方式相比，通过人手的复杂运动，用户可以更加自由地进行屏幕操作。