Culture Making is now archived. Enjoy five years of reflections on culture worth celebrating.
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a more than 95 theses post by Alan Jacobs

Edge-notched cards were invented in 1896. These are index cards with holes on their edges, which can be selectively slotted to indicate traits or categories, or in our language today, to act as a field. Before the advent of computers were one of the few ways you could sort large databases for more than one term at once.