It now seems fairly obvious where Steve Jobs and the geeks at Apple get their ideas. They watch a lot of Star Trek!
The just released iPad tablet/touchscreen device bears an uncanny resemblance to devices in use by Star Fleet since the 60s. And what was this marvelous piece of starship equipment called? The Personal Access Display Device was referred to on the show as the P.A.D.D. No joke, go look for yourself.