A designer bought a Mac mini for $599 two years ago. He set it on his desk. He plugged in a monitor. He opened Safari. He opened Figma. He answered emails. That was his entire Mac mini experience. A computer the size of a sandwich, used like a basic office desktop. Fast enough. Quiet enough. Good enough. Then one afternoon his friend, a former Apple Genius Bar technician, stopped by his home office, looked at the little silver box, and said something that made him close his laptop and listen. "You're running the factory version. Every time your power flickers, your Mac mini shuts down and stays dead until you reach behind it and press the button. You never turned on the setting that fixes that. Your monitor is running at the wrong scaling, so your text has looked slightly soft for two years and you assumed that's just how it looks. You've never turned on Screen Sharing, so you walk to your desk to do things you could do from your phone or your laptop on the couch. You don't have Time Machine running. If that internal drive dies tomorrow, two years of work dies with it. You've never used it as an AirPlay receiver. You've never used Universal Control to move one mouse across your Mac, your iPad, and your mini. You've never set it up as a home server. And you've never realized this tiny box can run AI models locally, for free, without sending a single word of your data to anyone. You bought a computer that can do all of this. You use 10% of it." He sat there for a second. "Show me." His friend changed 10 settings in 20 minutes. The designer looked at the screen, then at the little box, and said: "It feels like I bought a new computer." "You didn't. You just finally turned it on." Here's every Mac mini setting and feature you've never touched: 🧵