How Differential Gears Work

Watching things like this remind how little I know.

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Drafts for Link Posts canion.me I’ve been noodling around trying to figure out the most effective way to write and publish onto this Blot-powered page, especially from

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Read-it-Later with... I’ve used Instapaper relatively consistently since Marco Arment introduced it. Was that a decade ago now? Occasionally I’ve stopped using it, or