Thread · 3 tweets · 26 Oct 2022

This is a good intro, but this bit could mislead: "Publishers may see a decrease in revenue from the inability to sell data (…) sites can still earn significant revenue (…) by selling ad space for contextual rather than behavioral advertisements."

There is nothing, absolutely nothing, to prevent publishers from selling behavioural ads when GPC is on. The only thing that is prevented is third parties stealing that data to monetise it elsewhere. One of the values of GPC is that it aligns business and privacy interests.

Also: "Under the GDPR, there is no right to object to the sale of personal data." This is true in a strict sense, but selling data is basically a controller-to-controller data exchange. For more details: berjon.com/gpc-under-the-…