Firefox's AI Switch Is Off. Telemetry Isn't
A technical analysis of Firefox 155 reveals that while the browser's AI kill switch disables generative features, it does not stop telemetry or advertising tracking. The author argues that Mozilla's marketing of the switch is misleading to users who expect comprehensive privacy protections.
Why it matters
It highlights the ongoing tension between browser privacy claims and the actual data collection practices of major software companies.
My Wireshark test of Firefox 148 showed that its AI kill switch disables generative features, but leaves telemetry and advertising untouched. Six months later, Mozilla’s CEO has called the switch perhaps the most important AI feature of all. I retested it in Firefox 155.
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