facilities. Here’s how he described his experience later:

> Within ten minutes, it was obvious to me that all computers would work like this someday.

Steve Jobs in Triumph of the Nerds

Several researchers and engineers were lured away from PARC by Apple, such as Larry Tesler and Bruce Horn, to develop a GUI for Lisa. The biggest challenge was trying to design an actual product, not a fancy prototype too expensive to build. After all, one of the reasons Xerox dismissed the Alto was its astronomical price tag: $20,000! That was twenty times as much as the Apple II.

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