What in the non - AI

​A couple of years ago, I used to take genuine pride in what I could build in a spreadsheet. I knew the syntax inside out, chaining nested lookups and dynamic arrays in my head like muscle memory. It gave me a quiet rush when the logic clicked and a messy dataset snapped into order.

​Last week, I opened a blank sheet needing a simple conditional calculation. Instead of typing the formula, without even thinking, I tabbed over to prompt a script to write it for me. It worked in five seconds, but watching it generate left an uncomfortable pit in my stomach. I had completely forgotten how to do it myself.

​We talk endlessly about the hours we save. A debugging nightmare that used to eat three full days now disappears in thirty minutes. Yet somewhere along the way, we traded the satisfying friction of real problem-solving for pure convenience. It feels less like we unlocked superpowers and more like we let our mental muscles quietly atrophy.

​Strip away the autonomous agents, the copilot sidebars, and the infinite sea of wrapper tools. What is a clean, non-AI product or tool you use that genuinely forces you to think, engage, and solve problems with your own brain?

​I am curious what product keeps your mind sharp when every piece of modern software wants to think on your behalf.