• Hapax Legomenon

    A hapax logomenon (“being said once” in Greek) is a word that only appears once in the written record of a language, author, or single text.

  • All Bridges Are Weak Ties

    When it comes to network diffusion of information or influence, all bridges (a line in a network graph that represents the only connection between two points) are weak ties.

  • The Strength of Weak Ties

    This note does not have a description yet. Links to this note Removal of a Weak Tie Does More Damage to Diffusion Than a Strong Tie

  • The Economics of Superstars

    There are two common elements of economic superstars. First, there is a close connection between personal reward and size of the market.

  • Use the Product

    Improving product quality requires consistent and ongoing attention. You will simply miss all of the details that contribute to low product quality if you don’t use your product every day.

  • The Man in the Arena

    A speech by Theodore Roosevelt in Paris 1910 that railed against cynics who looked down on those attempting to do great things.

  • Long COVID

    This note does not have a description yet. Links to this note List of Studies About Long COVID