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I'm really stunned by the amount of development on the tracking side. Cookies, flash cookies, evercookies, local storage, favicons, browser fingerprinting... I

I'm really stunned by the amount of development on the tracking side. Cookies, flash cookies, evercookies, local storage, favicons, browser fingerprinting... I'm sure there are several others. It's stunning to me because the amount of redundant ammunition available for trackers seems way out of proportion to how many people actually know anything about this.

amenod 13y ago
It's not (only) about that. These techniques are often used to help advertisers combat click fraud, so it's important to distinguish the users that just disable cookies (because they heard they are harmful) and those that are trying to skew the click-through rates. A few years ago Google boasted that they catch 99.97 % of click fraud on time, and I personally believe them. Note that I am not trying to justify these techniques.