The only businesses left to build:
1. AI native service firms
2. Offline businesses
3. Distribution (media, community, audience)
4. Proprietary datasets
5. Domain specific harnesses (the agent that runs one industry's work)
6. Robotics and physical AI
7. Physical products with a fan following
8. Compute and energy
9. Health, longevity, and care
10. Marketplaces and social networks (for people and agents)
11. Real assets (property, equipment, land, infrastructure)
12. Vertical agents
13. Security