On 10/03/2017 10:12 PM, Thomas Wisniewski wrote:> Security & Privacy Concerns: this exposes whether the user has pointer that > is finely controlled like a mouse, or more coarse-grained like a > touchscreen (or no pointer at all). It also exposes whether they have a > pointer capable of "hover" effects (like a mouse). This lets sites > distinguish between the user having a mouse-like device or touchscreen-like > device, and potentially other devices like stylii. It exposes a little more > fingerprintable information than -moz-touch-enabled, however it would be > trivial for anti-fingerprinting measures to always return a specific set of > values for mobiles vs desktops.
Note that the system metric media queries respond to the privacy.resistFingerprinting pref. I think we should keep doing the same for this one. -- Emilio _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform