sari

It is still really hard for Builders and Customers to find each other. If you don’t believe me, just look at the cost of advertising. In an efficient world, Customers and Builders would be instantly matched at low cost. Instead, companies deploy hundreds of billions of dollars on marketing each year.

In primitive societies, people were entirely self-sufficient. They gathered their own food, made their own clothing, and found their own shelter. Today no one's self sufficient; we're all specialized and depend on many other people worldwide in a nonzero-sum way. Everything you consume you could never produce on your own — your daily life depends... See more

Amazon Prime: 93% 12-month customer retention (source)