Case study: PCjr: Misreading the market
David Kummer, Tom Moorman · IEEE Spectrum · 1987
IBM's hugely successful line of personal computers suffered its first major failure in the PCjr. Before it was introduced late in 1983, the PCjr — code-named “Peanut” — was widely expected to support IBM domination of the home-computer market, much as the company already ruled the businesscomputer market.