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What are the privacy implications of this thing?

Similar to the implications of siri and Google now, I imagine.

I do seem to recall that processing happens locally, which would give it an edge over at least Google Now (and possibly Siri, as I don't know how that works).

From what I understand Siri isn't always-on. In the sense that you have to switch it on. This seems to be listening all the time.

Another comment mentioned that they use some Google speech recognition component, which probably means all of your conversations are delivered to Google. That's a big red flag for me.

It first detects its wake word using pocketsphinx on around the last two seconds of audio. Audio older than two seconds is discarded. After detecting its wakeword it begins recording until when it thinks the user has finished speaking.

I believe the Poketsphinx part is offline so only commands would be delivered to Google.

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