Apple Webkit's New User Privacy with Ad Click Attribution

[engine]

Apple's Webkit has extended user privacy with a new technology which also allows attribution of ad clicks.

Critically, our solution avoids placing trust in any of the parties involved — the ad network, the merchant, or any other intermediaries — and dramatically limits the entropy of data passed between them to prevent communication of a tracking identifier.

It's an extensive blog post from Webkit's John Wilander, but worth reading.

[webkit.org...]