How do advertisers determine my preferences by using internet cookies?

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Would cookies be defined as personal data? If so, can the user deny cookies and still surf the webz without issues?

In: Technology

7 Answers

Anonymous 0 Comments

Cookies are not always tracking related which is why they differ between tracking cookies and functional cookies. The basic idea is this:

A website needs to talk to 1000 users. And depending on who they identify as (for example login in) they can have their own room.
But the website can’t know who is who because it cannot save data of all the thousand people. So it cannot know who is in their room (logged in) and who is outside. Instead it gives the people a piece with identifying info and their current status. This is a cookie. The users now save that piece locally and send it back in everytime they request another part of the website in order to identify themselves and tell the website at what status they are so that it can react accordingly. This is what makes states (these could be recent searches too) on websites even possible.

But cookies can also save all kinds of info about the User. And depending of what cookies you’ve accumulated you might get ads that are customized to your behavior location and searches.

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