Here’s a lovely little video (via Asymco) showing the rise and fall of different personal computing platforms since 1975. On the vertical axis: number of units sold per year (note the log scale). On the horizontal axis: computing platform (in alphabetical order). Read more about the data analysis here.
No surprises about which platforms are currently dominating the market, but let’s spare a thought for poor old Commodore 64 and Amiga, who both experienced a dramatic fall from grace in the early 1990s.