2021-12-06 UTC
# [chrisaldrich] Related to this and going into the world of the history of information is the suggestion by Markus Krajewski in "Paper Machines: About Cards & Catalogs, 1548-1929" that early card catalog and index card systems are really an early paper/manual form of a Turing Machine: https://mitpress.mit.edu/books/paper-machines. One might imagine the extended analogy libraries : books : index cards :: Internet: websites : links with different