• SPAC IPO

    A shell holding company goes public with the intention of raising money to merge with a private company—effectively making the private company public without having to go through the listing process.

  • Plutonomy

    In finance, the plutonomy is the small group of people that control most of the wealth.

  • Lean Startup

    A framework for starting companies that focuses on better understanding of customers and markets by building minimum viable products to validate assumptions.

  • Tacit Knowledge

    Knowledge that can not be transferred through words alone. For example, it won’t help someone learning to ride a bike to make them read an instruction manual and expect they can flawlessly ride a bike afterward.

  • Sigmoid Function

    A mathematical function that produces an ‘S’ shaped curve when plotted and is used to transform a number into a value between 0 and 1 (also -1 and 1).

  • Planck's Principle

    Scientific change doesn’t happen because because people change their mind, but because the next generation of scientists have different views.

  • Substituted Economics for Racism

    Thurgood Marshall made the comment that we have “substituted economics for race” in his dissent to the San Antonio Independent School District v.

  • Tyler Cowen

    Thoughtful economist from George Mason University, author, blogger, and podcast host.

  • Toska

    A russian word with many facets to it’s meaning that roughly translates to depression and longing, love-sickness, and unbearable feelings.

  • Structural Racism

    Racism that has been deliberately built into systems that govern and organize our lives including education, courts, laws, constitution, law enforcement, etc.

  • Pyrrhic Victory

    A victory that results in self-inflicted devastation equivalent to defeat.

  • Lindy Effect

    A theory that states, the future of an idea or technology is proportional to how old it currently is so that every additional period results in longer life expectency.

  • Hobson’s Choice

    An illusion of a choice between two inequivalent options. Hobson ran stable filled with many horses.

  • Janus-Faced

    A duality, having two different and opposing faces. Comes from the Roman god of beginnings.

  • White Rage

    A non-fiction book by Carol Anderson that describes the structural racism of the United States.

  • Möbius Strip

    A loop with a twist in it that is non-orientable. If you were to travel from a starting point on the strip and moved the full length of the strip you would end up moving along both sides without crossing an edge.

  • Juneteenth

    The day that marks proclaiming that slaves in Texas are free, two and a half years afterthe Emancipation Proclamation.

  • Puppy Mind

    When your mind keeps wandering out of control and fixating on things is like a puppy trying to walk on leash for the first time.

  • Personal CRM

    It’s difficult to remember every detail about people you know and who you want to build a relationships with.

  • Management Graph

    Sometimes it’s useful to work through a management challenge by drawing a graph of actions based on a particular event.

  • Slavoj Žižek

    Contemporary philosopher and leftist. See also: Masterclass: Transcendental Subjectivity, Sexual Difference, Brain Sciences (part 1, part 2) Links to this note A Pervert’s Guide to Ideology

  • Klein Bottle

    A non-orientable surface, a theoretical shape that doesn’t actually exist in 3D space.

  • Hilbert's Problems

    A German mathematician David Hilbert published 23 unsolved problems in the field of mathematics.