Modern business requires understanding multiple complex systems - unlike a blacksmith 200 years ago, internet entrepreneurs must master websites, traffic, products, and sustainability in a world where

Eben contrasts historical simplicity with modern complexity: 'A couple of hundred years ago, you kind of put your shingle out and, if someone comes to your business, you fix their shoes, or you make them, you know, a horseshoe for their horse if you're a blacksmith' versus today where 'you gotta go learn a whole bunch of different stuff' including websites, traffic, products, and competitive protection