The Loading Bar Is Lying to You

The progress bar on your screen is probably fiction. Not "roughly estimated" — fiction. Many of them are animations tuned to feel plausible: fast at the start to signal responsiveness, slowing through the middle to lower expectations, then a triumphant sprint to 100% so the ending feels earned.

Designers call this managing perceived performance. A philosopher would call it something else.

The research is old and unambiguous: uncertain waits feel longer than known waits, and unexplained waits feel longer than explained ones. A fake progress bar converts an uncertain wait into a known one. The lie measurably reduces suffering. That's the defence, and it's a decent one.

Security products discovered a darker corollary: users trusted virus scans that showed filenames scrolling past more than instant results — so scans were slowed down on purpose. The wait itself became the product. Honesty about speed read as failure to work.

The line, if there is one, sits at whose time is being served. A progress bar that soothes a real wait is stagecraft. A spinner that stretches a fast operation to make the machine look busy is theatre billed to the user's life. The first is design. The second is a small theft, ten seconds at a time.

The detail worth noticing: you can't tell them apart from the outside. Which is exactly why it's an ethics question and not a styling one.