Air Conditioning !
Are we talking 20th century here or 21st century?
Cos i can't think of that much that was invented in the 21st century yet - except of course TechKings! ;)
remote controlled sockets, great little things, have the light for the aquarium hooked up to it and a few other things, all with their own individual buttons, had a friend over one night and i told her the aquarium light was voice activated, had great fun with her standing there saying "on" "off" until she caught me, got a nice dig in the arm after that :(
The Internet??
Has to be the best invention
There was something called "TechKings" that was pretty good.
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how about this one homey, THE XBOX 360!!!