Your smart speaker suddenly lights up during a conversation even though nobody said its wake word. You notice your device activating when you're certain you didn't call for it. These moments might ...

Your smart speaker sits quietly in the corner. The light is off, you’re not using it, so obviously it’s not listening or recording anything. Right? Except that’s exactly what these devices are ...

Nathan Xu’s bootstrapped company has sold more than 1 million AI recording devices that transcribe and summarize the busy days of doctors, lawyers and business people — and he’s just getting started.