[taeric]

I've been curious about this. They all are reporting it, nowadays. I'm assuming they have reason to think they are getting better at it?

[pintxo]

I have reason to believe product management wants not to be left behind by the competitors, independent of the quality of their implementation.

[jvans]

metrics sell, even when they're not that accurate, and even when people know that.

[dyauspitr]

Well at the end of the day the underlying metrics are still just heart rate and movement which can only tell you so much.