On Tue, Sep 24, 2024 at 9:57 AM Tom Ritter <[email protected]> wrote:
> > On Tue, Sep 24, 2024 at 12:33 PM Nick Alexander <[email protected]> > wrote: > >> Tom, >> >> No substantive comment on the meat of the proposal: it sounds like a >> reasonable idea to me. >> >> The new telemetry probes respect the existing Telemetry opt-out settings. >>> They can also be disabled individually by setting >>> “toolkit.telemetry.user_characteristics_ping.opt-out” to true. The >>> telemetry collection will not be sent from every client, it will be >>> requested from a random sampling of users. Over time we may expand the >>> collection in order to inform research for developing fingerprinting >>> protections. >>> >> >> I'm interested in this "random sampling of users", but I don't see >> anything about this in the linked public Decision Brief. In fact, my >> reading of the Decision Brief says "all clients once, and then maybe again >> in the future", but I could be wrong, or the approach may have evolved. >> Can you link to more details? I'm particularly interested in the technical >> mechanism (client coin flips?) and the power calculations that go into >> determining the sampling rate. >> > > We didn't do anything special for that - we're just relying on Nimbus. > The Decision Brief is supposed to convey that when we get to Release, we'll > just do a small sample size initially ("Limit roll-out through Nimbus") but > if it's unclear somewhere I can tweak it. I am hopeful that we won't need > to collect data from all clients on Release, but since we ultimately are > looking to protect the most unique users I don't know for certain the point > at which we will have a statistically significant sample size. We do > intend to do one collection (one ping/enrolled user) initially and > eventually a follow-up to validate our efforts and measure how less > fingerprintable our users are. > Since I understand how Nimbus enrolls users, that clarifies things. Thanks! Nick -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/mozilla.org/d/msgid/dev-platform/CAMnWBR1W%2BOPej%3DafAq-961wjS2OGss1Dm_6RCE4FRNRYf0ofMA%40mail.gmail.com.
