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I've seen this sort of thing for fraud detection before. Given that they make money off of clicks, that seems important.
by zeckalpha 10y ago
I've seen this sort of thing for fraud detection before. Given that they make money off of clicks, that seems important.
- nip 10y agoMost likely. It is sometimes also used with forms as an easy way to detect bots: an extra input with a display:none is used to filter out bots submissions.