Steve Jobs was a tweaker, Malcolm Gladwell writes in a New Yorker book review of the Steve Jobs biography. He took existing technologies and perfected them, obsessing about everything from the title bars at the top of windows in the Mac OS to the color of paint in his factories. This obsessive quality was part of who he was and extended to his personal life as well. He spent two weeks deciding what kind of washing machine to buy for his family.
Gladwell notes that tweakers who perfect inventions often bring about more progress than the original inventors:
Jobs’s sensibility was editorial, not inventive. His gift lay in taking what was in front of him—the tablet with stylus—and ruthlessly refining it