Battery Status readout as a privacy risk
The security research that went into improving the spec for the Battery Status API. This is why it’s so important that the web holds itself to high standard.
Even most unlikely mechanisms bring unexpected consequences from privacy point of views. That’s why it is necessary to analyze new features, standards, designs, architectures - and products with a privacy angle. This careful process will yield results, decrease the number of issues, abuses and unwelcome surprizes.