The answer is very simple. According to a statistic by Google and Ipsos , 68% of users are verycompanies use personal data for marketing purposes and 80% are concerned about the potential vietnam phone number misuse of information.
However, the same study revealed that users are in favour of leaving their data independently for.
Receive promotions when they search for specific products/services;
Save time and money;
Entertainment and information;
Update on topics of interest.
And from here to the presentation of a cookieless scenario , the leap was short. So much so that, at the end of 2023, on Chrome it will no longer be possible to track users' interests , through third-party cookies.