In the mid 1990s a course in computer science forced me from the cosseted, predictable world of the Commodore Amiga to the lawless frontiers of the IBM-compatible PC.
Most products I review could be described as evolutionary – smaller, lighter, faster and cheaper than previous generations, but essentially designed to do the same job.
Portable music players such as the iPod have revolutionised the way most people listen to music, it now being possible to carry the equivalent of hundreds of albums with you everywhere you go.