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Idea

We don't have a storage problem. We have a memory problem.

Everything about keeping things got better. Screenshots are one shortcut. Storage is effectively unlimited. Sync is invisible. Capture has never been easier in the history of computing.

And people have never felt less on top of their own material.

01 · Two curves

Capture improved by orders of magnitude. Recall didn't.

Compare a decade ago to now. Saving something is faster, cheaper and more automatic than it was. Getting something back is roughly identical: a search box, a folder tree, and your own recollection of a filename.

When one side of a system gets a hundred times cheaper and the other side doesn't move, the cheap side floods the expensive side. That's the actual experience: nine hundred screenshots, none of them findable.

Frictionless capture without improved recall just produces a bigger pile.

02 · Symptoms

You've been treating this as a discipline failure.

The usual diagnosis is personal: be more organised, adopt a system, name your files, do a weekly review. Sometimes that helps. Mostly it produces guilt and a new folder structure that lasts a fortnight.

It's worth considering that thousands of otherwise capable people failing at the same task means the task is badly designed.

Re-finding is slower than re-searching
You Google something you already saved because that's genuinely faster.
Duplicate saves
You keep the same article twice, a year apart, unaware.
The unnamed pile
A desktop of Screenshot 2026-03-04 at 11.42.png.
Silent loss
You never learn about the things you failed to find. They just stop existing.

03 · The missing layer

Something has to sit between saving and searching.

The gap needs a layer that understands what you kept: reads it, describes it, dates it, connects it, and can be asked vague questions. Not a new folder scheme, and not another place to write notes by hand, which is just capture with extra homework.

That layer is what Shelf is trying to be, locally, on your Mac. Whether we get it right is a fair question. That the layer is missing seems hard to argue with.

Next thought

So what does a memory layer actually consist of?

Read the research note

Shelf V3 is out now

Shelf V3 is the current build. Shelf does not use automatic updates, so download the latest build here and install it over your current version.

This is intentional. Shelf is built around a local-first, privacy-focused philosophy. An automatic updater requires additional background processes, network connections, update infrastructure, and another system with permission to modify the app. We prefer to keep Shelf’s network footprint and background activity as small as possible.

Manual updates keep the process explicit: Shelf only checks the internet when a feature actually needs it, and you decide when a new version is downloaded and installed.

Download the latest version →Version 3.0 · macOS 14+