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Comment on New Apple Study Shows LLMs Can Tell What You're Doing from Audio and Motion Data

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Maybe the 2026 Apple Watch will be able to auto detect running as reliably as my 2015 Samsung Gear S2. My 2022 Series 8 is certainly not there yet.

That’s weird, I have perfect running detection on an old(er) (Apple) watch. Detection does start late (but is retroactive, so it’s not an issue).

And that's by design, because it waits for a larger window of data to gain confidence. Notice how you ~never get false positives on it starting an exercise session.

I see comments like GP's often enough that I think Apple just does a bad job explaining how/why it works.

Personally, I understand perfectly how it works. But even with the retroactive start, it tends to miss the first five or so minutes.

There are also stats on the screen during tracking that ideally should appear as early as possible.

Notice how you ~never get false positives on it starting an exercise session.

Oh, I absolutely do.

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