There's a new set of transformative technologies such as machine learning, AI, and virtual reality that will spawn another set of big tech franchises. But in terms of cultural impact, perhaps we are at peak Valley.

Certainly some hosts on Airbnb are opening up their spare bedrooms to meet new people; and some drivers use Uber to carpool with strangers for the companionship. But the most productive members of each community are professional operators, making available their homes or cars as a way to earn or supplement a living.

With tough interpretation of taxi and zoning regulations, neither Uber nor Airbnb would have gotten started. By the time many cities recognized their existence, both were fairly large and had the political support of their customers.

Brad Stone Quotes