Ben Kelly wrote:
> Can we just reduce the accuracy of the API?  Only give battery level at
> certain broad breakpoints?

The authors of the cited paper [1] filed a bug report and we fixed that
for 38 [2].

- Tim


[1] http://eprint.iacr.org/2015/616.pdf
[2] https://bugzilla.mozilla.org/show_bug.cgi?id=1124127


> On Tue, Aug 4, 2015 at 11:02 AM, Chris Hofmann <chofm...@mozilla.com> wrote:
> 
>> I've seen a lot of GPS related tracking apps that use a lot of power
>> putting up warnings to users
>> that it might be time to go to low power mode and shut down the GPS if
>> you'll need it
>> later for navigating a critical pathway later in your journey.
>>
>> -chofmann
>>
>> On Mon, Aug 3, 2015 at 7:49 PM, Katelyn Gadd <k...@luminance.org> wrote:
>>
>>> Games for mobile phones, handheld devices, and laptops often show a
>>> battery indicator and/or a clock in the corner of the screen while
>>> running in fullscreen mode. That's the only good reason I can think of
>>> off-hand.
>>>
>>> On 3 August 2015 at 12:55, Chris Peterson <cpeter...@mozilla.com> wrote:
>>>> What is a legitimate use case for a web page to know my battery status?
>>>> Battery level and time remaining can be used to fingerprint users.
>>>>
>>>> A mobile webapp might use battery level to throttle its activity, but
>>> that
>>>> could be something the OS handles by pausing or throttling apps
>> directly
>>> or
>>>> broadcasting app lifecycle events. I can't think of a good reason why a
>>> web
>>>> page in a browser, especially on a desktop OS, needs to know anything
>>> about
>>>> my battery.
>>>>
>>>>
>> http://www.theguardian.com/technology/2015/aug/03/privacy-smartphones-battery-life
>>>> http://eprint.iacr.org/2015/616.pdf
>>>>
>>>>
>>>> chris
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