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“That is the difference,” he said in his pleasant, even voice.plastic face shield“I’ll tell you at the next stage,” said Raffles. “Up with his heels and come this way.”rs-8661-blk-gls tinted face shield“That was very kind of ’im,” snarled Levy, pouring a murderous fire upon my person from his little black eyes.The Xerox Corporation’s Palo Alto Research Center, known as Xerox PARC, had been established in 1970 to create a spawning ground for digital ideas. It was safely located, for better and for worse, three thousand miles from the commercial pressures of Xerox corporate headquarters in Connecticut. Among its visionaries was the scientist Alan Kay, who had two great maxims that Jobs embraced: “The best way to predict the future is to invent it” and “People who are serious about software should make their own hardware.” Kay pushed the vision of a small personal computer, dubbed the “Dynabook,” that would be easy enough for children to use. So Xerox PARC’s engineers began to develop user-friendly graphics that could replace all of the command lines and DOS prompts that made computer screens intimidating. The metaphor they came up with was that of a desktop. The screen could have many documents and folders on it, and you could use a mouse to point and click on the one you wanted to use.harley full face helmet shieldsThe connection between the design of a product, its essence, and its manufacturing was illustrated for Jobs and Ive when they were traveling in France and went into a kitchen supply store. Ive picked up a knife he admired, but then put it down in disappointment. Jobs did the same. “We both noticed a tiny bit of glue between the handle and the blade,” Ive recalled. They talked about how the knife’s good design had been ruined by the way it was manufactured. “We don’t like to think of our knives as being glued together,” Ive said. “Steve and I care about things like that, which ruin the purity and detract from the essence of something like a utensil, and we think alike about how products should be made to look pure and seamless.”