Modern adtech fingerprints your browser regardless of cookies, so they can still know who you are. The fingerprint consists of a combination of facts about your

Modern adtech fingerprints your browser regardless of cookies, so they can still know who you are. The fingerprint consists of a combination of facts about your browser that together uniquely identify it (screen resolution, timezone, installed fonts and browser extensions, OS version, User agent, even GPU with some forms of canvas fingerprinting, etc.) ChatGPT uses fingerprinting too. Cookie isolation isn't relevant, only anti fingerprinting techniques are.