Microscopic super miniaturized devices. Who knows where this is going and how far. Is there a doctor in the house?
OMG 1 mm x 1 mm and "The tiny computer costs under ten cents to manufacture and contains up to one million transistors, according to IBM." When I was 10 my Mother saved and bought me a new invention. A transistor radio. It had 7 transistors which was a BFD.