‪Marketplaces have created unproportionately higher value and harnessed
technologies & data science vs any other Internet business models. Amazon,
Alaibaba, Uber, AirBnB, & Tinder delivered $3 trillion. Another $1trillion value
creation by 20-30 other world class online marketplaces, which are widely
understood as marketplaces only.

Also, almost all B2C Adtech companies are marketplaces too connecting
advertisers on one side to audiences on other side without any inventory, capex
or working capital from their side.

So, the total wealth by marketplaces is north of $6 tril in last 26 years of the
Internet.