Can you describe what a permission prompt would look like that allows the user 
to make an informed decision about whether they should allow or deny the 


> On Oct 28, 2020, at 4:56 PM, Reilly Grant <> wrote:
> Greetings WebKit engineers,
> I would like to request an official position from the WebKit team on the 
> emerging Idle Detection API <> 
> specification. I am aware that this API was included in a list of APIs 
> <> which you have decided not to 
> implement due to fingerprinting concerns. I assume that this objection was 
> based on the original explainer provided for this API. Since that list was 
> posted the API has been extended to include a permission that sites must 
> acquire before being granted access to user presence signals. I would like to 
> start a conversation to understand the fingerprinting risks you foresee from 
> this API.
> Reilly Grant
> Software Engineer
> <>
> Google Chrome
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> webkit-dev mailing list

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