Early iPad adopters.
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(Image credit Cepro, Paramount, CBS)
In real world time - the concept predated the tablet screen in 2001 A Space Odyssey, by two years.
SJ was obviously a long-time Star Trek fan. All of the various incarnations of ST have heavy tablet/pad usage. And if it is good enough to the world of Star Trek, it is good enough for me! I plan to have a tablet in every room in my house. Next step is to use tablets to control lighting. Belkin has some cool devices for this, but I'm hoping some less expensive options show up.