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Ryder Carroll was diagnosed with attention deficit disorder as a child and struggled with the note-taking and planning methods schools imposed. In college in the late 1990s, rigid planners with fixed boxes for each day failed him, so he built his own system in a blank notebook, keeping whatever worked and discarding whatever added friction. After graduating he became an app, web and game designer in New York, and he brought the principles of user experience and information architecture, along with an interest in scrapbooking, back to paper. The result combined journaling, time management, brainstorming and note-taking in one dotted-grid notebook organized by a daily log, a monthly log and a future log.

For years the system was private. A friend who was planning a wedding saw it and urged him to share it, and in 2013 he posted a tutorial on a simple website. It spread across social media, a Kickstarter raised $80,000, he gave a TEDx Yale talk in 2017, and in 2018 he published The Bullet Journal Method. The hosts tie its appeal to screen fatigue and to the slower, deeper encoding of handwriting, and they describe how users split into minimalist purists and artists who decorate elaborate layouts.

• Rapid logging uses a shorthand key: a dot for a task, an O for an event and a dash for a note.
• An index at the front works like an app’s navigation menu, pointing to collections by page number.
• Migration forces users to rewrite unfinished tasks by hand each month, so tasks that are not worth rewriting get crossed out.
• By December 2018 there were more than three million Instagram posts about bullet journaling.
• The method’s popularity lifted global sales of notebooks, fountain pens and other stationery.