A favorite of mine, since we're all linking: https://bartoszmilewski.com/2014/11/04/category-the-essence-of-composition/ https://bartoszmilewski.com/2014/11/04/

A favorite of mine, since we're all linking: https://bartoszmilewski.com/2014/11/04/category-the-essence-of-composition/ https://bartoszmilewski.com/2014/11/04/category-the-essence-...