Lisa commercialized a sophisticated graphical interface at enormous product complexity and a $9,995 price, failing commercially while transferring crucial knowledge into Apple's Macintosh future.
Macintosh turned Apple's graphical-interface conviction into a lower-cost platform backed by major manufacturing, software, and marketing investment, creating a durable alternative to the IBM PC standard.
Compaq combined $2.5 million of venture backing with a legally reverse-engineered IBM-compatible design, proving that startups could capture value from IBM's standard without copying IBM's code.
Kleiner Perkins invested $1.7 million in Sun after the startup proved demand for open, networked UNIX workstations, helping turn a university prototype into a major systems company.
Lotus used unusually large venture financing and launch marketing for an early software company, turning 1-2-3 into the business application that made IBM-compatible PCs economically indispensable.
Adobe refused an early $5 million acquisition offer, took a $2.5 million Apple investment plus a royalty advance, and used PostScript licensing to create the desktop-publishing software layer.
Trip Hawkins self-funded Electronic Arts before Sequoia, Kleiner Perkins, and Sevin Rosen invested $2 million in a publisher built around treating software creators like entertainment talent.
Scott Cook and Tom Proulx bootstrapped Intuit around the ordinary pain of balancing a checkbook, showing that disciplined customer insight could substitute for heavy early venture funding.
IBM's rush into personal computing created the industry's dominant architecture, but the same openness that accelerated adoption also shifted profits toward component and software suppliers.
Microsoft's DOS deal converted a small operating-system acquisition into a reusable licensing asset, helping software economics outrun the hardware economics of the PC itself.