The unstoppable rise of the home computer, from the early days when PCs were the size of a room, to their current micro-accessibility.
Today the computer pervades both the workplace and home. What started as the hobby of a group of enthusiasts - computer nerds - has ballooned into a billion-dollar business.
Time Shift charts the development of the PC from its precarious early days. The 1970s and 80s saw the explosion of the Sinclair, Spectrum, Apple Mac and Amstrad into the domestic market, while video games brought the arcade into the living room.
Sally Thomson's programme investigates how an alien and inaccessible machine has become part of the fabric of everyday life.
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