The eerie sensation that comes over you when you talk about hiking and suddenly see REI ads everywhere? It's not something you're imagining. Your Alexa, Google Home, or smart speaker is always listening. But here's where it gets complicated. There's a significant difference between listening and recording, and most people have no idea where that line actually lies. This video breaks down exactly what happens inside that innocent-looking cylinder on your counter, explained as if you're five years old.
