IBM

IBM initially built mainframe computers for large enterprises and government institutions, assuming that only massive organizations with dedicated IT departments could justify the cost and complexity of computing infrastructure. ​​‌‌‌‌‌‌‌​‌‌​​‌​​​​​​‌‌​‌‌‌​​​‌‌They targeted Fortune 500 companies and federal agencies, positioning their systems as mission-critical tools for data processing and business operations. However, when personal computers emerged in the 1970s and 1980s, IBM discovered an entirely different market existed—individual consumers and small businesses wanted affordable computing power for their own use. IBM's attempt to reach this audience through the IBM PC proved successful initially, validating that consumer demand was real and substantial. Yet their traditional enterprise-focused sales model and partnerships with retailers like Sears couldn't compete with Apple's direct marketing approach or Dell's build-to-order model. The signals that validated their PC strategy early—strong initial sales and market interest—masked a fundamental misalignment: IBM's organizational DNA remained oriented toward enterprise relationships, not consumer engagement, ultimately ceding the personal computer market to more agile competitors.