03-29-2017, 03:42 PM
It's not your ID, purchases, or browsing history that are being stored in the cookie. It's a token that represents who you are. They use it at as reference to store all kinds of information about you in some remote database. At any given time you will have dozens of these cookies from different ad networks and websites stored in your browser many of whom will share information with one another. The only way to circumvent this is to use a vpn but then you'd have to believe that the vpn company will not sell or compromise your data in any way.
Keep in mind this is just the tip of the iceberg. There are a bunch of creative ways you can be tracked, one of which is what brick-and-mortar stores you visit via the GPS built into your phone.