How do they know what my behaviours are if I don't have Facebook? | Hacker News

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		gmhafiz on June 23, 2024 \| parent \| context \| favorite \| on: Show HN: Simple script to cripple personalized tar... How do they know what my behaviours are if I don't have Facebook?

EVa5I7bHFq9mnYK on June 23, 2024 [–]

You don't have, but many sites you visit have a Facebook code hidden in their pages that sends data about any visitor to Facebook. Thus Facebook knows a lot about you even if you don't have an account.

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