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Re: tracking-ISSUE-266: automatic expiration of a tracking preference exception via API parameter [TPE Last Call]

From: Roy T. Fielding <fielding@gbiv.com>
Date: Fri, 10 Oct 2014 12:32:07 -0700
Cc: Mike O'Neill <michael.oneill@baycloud.com>, Nicholas Doty <npdoty@w3.org>, Tracking Protection Working Group <public-tracking@w3.org>
Message-Id: <0EA7DE7B-0A98-40A6-A9DB-E67B2E50F5C2@gbiv.com>
To: David (Standards) Singer <singer@apple.com>
On Oct 9, 2014, at 2:13 PM, David (Standards) Singer wrote:
> No, the existence of the exception is irrelevant if you donít go back to the site. If you do, then the site also sees the absence of the cookie (itís expired) and knows it needs to re-acquire the exception.

That would make the UGE mechanism substantially worse than simply using
a cookie to record exceptions.  The *only* reason we have a separate UGE
API is so that UGE's survive a general cookie flush.

....Roy
Received on Friday, 10 October 2014 19:32:35 UTC

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