Reflections on Software Performance An Article by Nelson Elhage blog.nelhage.com Performance is a feature Performance changes how users use software Performance needs effort throughout a project’s lifecycle Architecture strongly impacts performance Performance isn’t just about hot spots Performant foundations simplify architecture …we underrate performance when designing and building software. We have become accustomed to casually giving up factors of two or ten or more with our choices of tools and libraries, without asking if the benefits are worth it. performancesoftware
The Apple Marketing Philosophy Markkula wrote his principles in a one-page paper titled "The Apple Marketing Philosophy" that stressed three points. The first was empathy, an intimate connection with the feelings of the customer: "We will truly understand their needs better than any other company." The second was focus: "In order to do a good job of those things that we decide to do, we must eliminate all of the unimportant opportunities." The third and equally important principle, awkwardly named, was impute. It emphasized that people form an opinion about a company or product based on the signals that it conveys. "People DO just a book by its cover," he wrote. "We may have the best product, the highest quality, the most useful software etc.; if we present them in a slipshod manner, they will be perceived as slipshod; if we present them in a creative, professional manner, we will impute the desired qualities." Walter Isaacson, Steve Jobs A ritual of unpacking