THE RUBBER KEYED WONDER tells the story of legendary British inventor Sir Clive Sinclair and the evolution of the landmark ZX Spectrum home computer.  First released in 1982, the ZX Spectrum sold millions of units worldwide, opening the door to a new world of possibilities and a booming generation of consumer tech.  Most notably, the ZX Spectrum enabled users to learn computer programming, helping to kickstart the video-game boom of the 1980s.