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[–] 4 points 5 months ago* (last edited 5 months ago) (2 children)

Those two links are talking about fingerprinting.

Cookies can contain fingerprints, but they're also used for a bunch of other things, like keeping you logged in, remembering your shopping cart rather than clearing it every page load, storing preferences, remembering if your device has a high DPI screen (so a fresh page load knows to serve higher quality images), etc. Anything where small amounts of data have to be persisted and shared across both the client-side and server-side. They're not always evil.

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