𝗧𝗵𝗲 𝗖𝗼𝗼𝗸𝗶𝗲 𝗧𝗵𝗮𝘁 𝗡𝗲𝘃𝗲𝗿 𝗘𝘅𝗽𝗶𝗿𝗲𝘀

𝗧𝗵𝗲 𝗖𝗼𝗼𝗸𝗶𝗲 𝗧𝗵𝗮𝘁 𝗡𝗲𝘃𝗲𝗿 𝗘𝘅𝗽𝗶𝗿𝗲𝘀

You think tracking cookies died when browsers blocked them. They did not die. They changed shape.

The industry replaced cookies with something more permanent. They used your email address.

Cookies lived in one browser on one device. You cleared them to gain privacy. You cannot clear your email address like a cookie. Your email is a permanent identifier.

Here is how the new tracking works:

• Companies use email identity graphs to link your data.
• Hashed versions of your email act as a digital fingerprint.
• Newsletter links often carry your email hash inside them.
• Marketing emails contain trackers specific to you.

Once your email address becomes the key, companies join all your data together. They link your clicks, your purchases, and your habits.

Privacy laws like GDPR and CCPA call your email personal information. Yet, the tracking persists through your inbox.

You have two ways to fight this:

• Use email aliases. An alias acts like a cookie blocker. It stops companies from using one single key to track you.
• Stop clicking every link in marketing emails. These links confirm your identity to the sender.

The cookie did not die. It moved into your inbox. Treat your email address with more care.

Source: https://dev.to/wadco/the-cookie-that-never-expires-4677