The Tim Ferriss Show#869: Max Levchin, PayPal and Affirm — The Path from The Soviet Union to Building Multi-Billion Dollar Companies (Plus: Real-World Socialism vs. Capitalism)Ultrasound Brain Interfaces
8:20–8:44 · 25s
Levchin explains why focused ultrasound may finally allow non-invasive communication with deeper brain regions—no skull drilling required.