>Sound [...] a single, subtle element of the human experience A desirable feature of sci-fi futures such as Hitchhikers or Star Trek is that computers and hand

>Sound [...] a single, subtle element of the human experience A desirable feature of sci-fi futures such as Hitchhikers or Star Trek is that computers and handheld devices respond instantaneously and with a perfectly synchronised accompaniment of bings/beeps/chirps.