You might also like
Iowa Kicks Out Fake Extra-Terrestrials: International Astrology Foundation Ordered To Leave Iowans Alone
In the movie, Marty Jr uses a TV to watch six different channels at once - which is more split screen than even Jack Bauer needed. If there's one thing we like it's television, so what could be better than watching half a dozen different shows at once? While it might not be the most useful invention, it really does already exist.
Above is the Toshiba Cell TV in action.