As a response to those who asked questions here in the comments:
When I finally overcame the shock, the very first thing I did was to ask her if she, or a guest, indeed searched for, or otherwise "input" anything related to usb-sticks or water-proofness into a computer system. The answer was no.
I don't know what to make of it. I don't want to succumb to conspiracy theories of the sort that ambient sound is recorded by our devices at all times. Most plausible explanation is perhaps the one about cognitive bias.
When I finally overcame the shock, the very first thing I did was to ask her if she, or a guest, indeed searched for, or otherwise "input" anything related to usb-sticks or water-proofness into a computer system. The answer was no.
I don't know what to make of it. I don't want to succumb to conspiracy theories of the sort that ambient sound is recorded by our devices at all times. Most plausible explanation is perhaps the one about cognitive bias.