This story is precisely why you should avoid having voice-activated devices where you need conversations to be private.
Because you just never know.
The proof comes from a tech journalist who had the chance to preview the Google Home Mini after a launch event.
"...as it turns out, the Mini was behaving very differently from all the other Homes and Echos in my home - it was waking up thousands of times a day, recording, then sending those recordings to Google. All of this was done quietly, with only the four lights on the unit I wasn't looking at flashing on and then off."
The number of recordings is incredible and