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Re: [deviceorientation] Move fingerprintable APIs behind permissions (#85)

From: Maryam Mehr via GitHub <sysbot+gh@w3.org>
Date: Mon, 09 Mar 2020 12:14:43 +0000
To: public-device-apis-log@w3.org
Message-ID: <issue_comment.created-596491069-1583756082-sysbot+gh@w3.org>
> @maryammjd what do you think about the mitigation (in my last suggestion and fleshed out in the Chromium proposal) to decrease precision to above the nominal gain of the common sensors, in this case 0.1 degrees per second? While sensors may certainly get more precise in the future, setting this threshold now should also provide a mitigation against the calibration parameters of more precise future sensors. (Right?) That wouldn't rely on adding noise or any per-device configuration.
> 
> Setting the precision is a separate mitigation from permissions, and they could be combined.
> 
> See also this thread on the public-privacy list: https://lists.w3.org/Archives/Public/public-privacy/2020JanMar/0020.html

We are running experiments to see if the suggested countermeasures are indeed effective or not. I will keep you posted. 

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