> Google doesn’t sell people’s data. Neither does Facebook.

These companies are in such a position, that they have so much data when selling it brings competitive disadvantage.

There is a competition going on from the control of the world, in terms of sophisticated A.I. development. This is where they are using their data. Ads are just little sidekick in the process anymore.

Also, they probably do everything with the data and a bit more than average data buyer would do.