What 200,000 Voice Recorders Can (and Can’t) Tell You About Real Demand
A credit-card-sized gadget that clips onto the back of a phone and quietly records what happens when the screen goes dark has become one of the more talked-about hardware debuts in years. Before treating it as proof that AI hardware is finally having its moment, it’s worth asking a more useful question: what does this story actually demonstrate about how to validate an idea before you spend real money building it?