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Eric Walker added Bret Victor - Inventing on Principle on Vimeo to a number of topics

Eric Walker added a number of links to Advent of Code, and added Advent of Code to Learning to program software

Eric Walker added a number of links to Courses on programming, and added Courses on programming to Learning to program software

Eric Walker added a number of topics and a number of links to Learning, teaching, education and parenting, and added Learning, teaching, education and parenting to Society

Eric Walker added a number of topics and a number of links to Software and programming, and added Software and programming to Technology