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Facebook ads and Google ads do not need third party cookies ? How are they serving contextual ads if they don't know what you are doing on different websites
by manquer 6y ago
Facebook ads and Google ads do not need third party cookies ?
How are they serving contextual ads if they don't know what you are doing on different websites if the myriad of trackers they offer to content websites do not track you by third party cookies ?
- cratermoon 6y agothere are several ways. ETags for one, another is to have all the various sites that use an ad network to send the relevant visitor fingerprint data to a central broker that correlates the information and attempts to determine that entity A and entity B are really the same person because a bunch of attributes match.