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Commonplacecard catalog
The methodAnatomy of a slipRates
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A slip-box that does the filing.

Niklas Luhmann wrote seventy books out of a wooden box of index cards. Commonplace is that box: capture slips from anywhere, and it files them, links them, and deals them back to you — no librarian required.

Open the boxSee a slip up close

attention residue

1a

What lingers after the meeting ends. Name it and it shrinks; leave it and it books the afternoon.

cf. mornings 1, phone problem 4c

1 The method

Capture

1.1

Every thought lands in the inbox tray — phone, browser, watch. No folders on the way in; each slip is date-stamped and filed later.

cf. 2 — anatomy of a slip

Branch

1.1a

Link a slip to any other and it takes a branch address — 1a, 1a1, 1a2 — a thought growing under its parent, exactly where it belongs.

cf. 1.1 — capture

Resurface

1.2

Each morning the box deals you a few old slips next to today’s writing. Serendipity, on a schedule.

cf. 1.1a — branching

2 Anatomy of a slip

the phone problem

4c

The phone is not the distraction; the negotiation is. Every unlock is a small referendum on what the next hour is for. Write the referendum down once — [[attention residue]] — and the vote gets quieter.

attention residuemorningsdeep work

filed under attention — cf. 1a, 2b, journal 9

  • address4c sits under 4, beside 4a and 4b — position is meaning.
  • linkstyped as [[double brackets]] in the body; the box does the rest.
  • filed underautomatic — every slip that mentions you shows up here.

3 Rates

Reader

free

A thousand slips, one device, the whole filing system.

Choose Reader

Keeper

$8/mo

Unlimited slips, encrypted sync, daily resurfacing.

Choose Keeper

Archive

$16/mo

Family vaults, shared drawers, and a printed annual index.

Choose Archive

Commonplace

filed under software, notebooks, second brains