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It's only a convenience feature anyway, it seems.

Wave seems like the type of feature that should probably have some audio/light indication that it was invoked, though.

Between this and Google, though, remind me never to name a product or feature Wave.

A convenience feature that could have killed you.

I know some engineers who design life critical safety systems for a living, and they all said something like this was going to happen when this product first came out. The example one of them gave was it was like a AED that could also let you recharge your phone, a moderately worthless feature that could only ever cause the failure of critical components.

Or perhaps a car airbag that can be disabled by spoken word

It does, the light ring changes to indicate you're seen by the Nest Protect and when you wave to silence a smoke alarm the Nest Protect says "Smoke alarm hushed."

http://support.nest.com/article/What-is-Nest-Wave-and-how-do...

So what? If you're asleep and wave at the disturbing noise in half-sleep, that voice won't wake you up. GAME OVER. NO LIVES LEFT.

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