Every post on this site is tagged with at least one of three pillars: Brain, Change, and Tech.
This is not a convenience for filtering. It is a claim about the three domains that matter most when thinking about how people learn, how organizations transform, and how technology actually gets used - as opposed to how it is marketed.
Each pillar covers something the others cannot. And juggling connects to all three.
Brain
The Brain pillar is about how learning actually happens at the level of the nervous system.
Not learning in the motivational sense - not “how to stay motivated” or “the mindset for success.” Learning in the mechanistic sense: what changes in the brain when a skill is acquired, what the optimal conditions for skill acquisition are, what deliberate practice actually does compared to repetition without intention.
The brain pillar exists because most conversations about learning skip the mechanism and go straight to the output. Understanding the mechanism changes what you do.
Change
The Change pillar is about how systems - organizations, teams, practices, communities - transform over time.
Not change in the motivational sense - not “change starts with you” or “the courage to transform.” Change in the structural sense: what makes transformation stick, what resistance to change actually consists of, how new ways of working replace established ones, what distributed communities look like compared to hub-and-spoke structures.
The Change pillar exists because most conversations about organizational change focus on the surface behaviors and skip the structural conditions that make those behaviors stable or unstable.
Tech
The Tech pillar is about how the tools actually work and what knowing how they work changes about how you use them.
Not tech in the announcement sense - not “the future of AI” or “what this new tool will do.” Tech in the operational sense: how distributed systems fail and recover, what context windows actually mean for LLM performance, what the difference is between precision and recall, what horizontal versus vertical scaling actually requires.
The Tech pillar exists because tools work better when the people using them understand how they work.
Why all three together
Each pillar on its own is incomplete.
The intersection - where learning mechanisms inform how technical skills are taught, where change methodology engages with what technology makes possible - is where the work that matters happens.
Three separate domains, each contributing something specific, sitting side by side rather than in a hierarchy. None of the three is the foundation. They support each other.
That is why these three.
Explore the pillars: Brain posts · Change posts · Tech posts