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Some ad networks use(d to use) referers for brand safety when resource serving an ad is embedded iframe. For example if the parent URL contains "osama-bin-laden
by jakub_g 6y ago
Some ad networks use(d to use) referers for brand safety when resource serving an ad is embedded iframe. For example if the parent URL contains "osama-bin-laden-killed", don't display ad about nice family moments together (or anything else, likely)
- ttt0 6y agoOr keep track of your internet history to have a more accurate profile of you. This is not a good thing and it's precisely why it's a privacy leak.