Updated
Each idea below has its own sourced explainer. Several of them run through every company: the algorithm and the idiot index decide what SpaceX and Tesla build in-house, and capital allocation explains how one company paid for the next.
Capital AllocationHow each Elon Musk venture funds the next ambition.
First Principles ThinkingBreaking a problem down to fundamental truths, then reasoning up.
Free SpeechWhy he treats open debate as civic infrastructure worth owning.
Government EfficiencyZero-base and audit federal programs to cut waste.
Population CollapseHis argument that too few babies, not too many, threatens civilization.
Accelerating the Sustainable Energy TransitionSpeed the shift from fossil fuels to solar, batteries, and electric transport.
The AlgorithmQuestion, delete, simplify, accelerate, automate, run in that order.
The Idiot IndexThe cost of a finished part divided by its raw materials.
Vertical IntegrationMaking the hard parts in-house instead of buying them.
For the people and companies behind these ideas, start with the Elon Musk biography or browse all explainers.