http://en.wikipedia.org/wiki/Xerox_Star#Marketing_and_commercial_reception
http://en.wikipedia.org/wiki/Apple_Lisa#Reception
The difference is that Xerox was a typical huge bureaucratic corporation with no vision and Apple was a small, nimble company with a vision. So by 1984 Apple released Mac and Xerox never even tried after the Star. A startup company beat the giant behemoth because they understood where things were going and did not QUIT despite huge failures(Apple III and Lisa).
By 1982 everything in the land of GUI-based PCs was very uncertain except in the mind of Steve Jobs. Ironically, PARCs failure to follow up on the Star is the opening that Microsoft needed to get into Windows. Had Xerox spun off PARC and that had succeeded, Microsoft would still be a boutique software company.
http://en.wikipedia.org/wiki/Apple_Lisa#Reception
Another possible reason given for the lack of success of the Star was the corporate structure of Xerox itself. A longtime copier company, Xerox played to their strengths. They already had one significant failure under their belt in making their acquisition of Scientific Data Systems pay off. It is said that there were internal jealousies between the old line copier systems divisions that were responsible for bulk of Xerox's revenues and the new upstart division. Their marketing efforts were seen by some as half-hearted or unfocused. Furthermore, the most technically savvy sales representatives that might have sold office automation equipment were paid large commissions on leases of laser printer equipment costing up to a half-million dollars. No commission structure for 'decentralized' systems could compete. The multi-lingual technical documentation market was also a major opportunity, but this required cross-border collaboration for which few sales organizations were ready at this time.
The difference is that Xerox was a typical huge bureaucratic corporation with no vision and Apple was a small, nimble company with a vision. So by 1984 Apple released Mac and Xerox never even tried after the Star. A startup company beat the giant behemoth because they understood where things were going and did not QUIT despite huge failures(Apple III and Lisa).
By 1982 everything in the land of GUI-based PCs was very uncertain except in the mind of Steve Jobs. Ironically, PARCs failure to follow up on the Star is the opening that Microsoft needed to get into Windows. Had Xerox spun off PARC and that had succeeded, Microsoft would still be a boutique software company.