​ I've been staring at dashboards for months. Downloads, signups, retention, all of it mostly flat, all of it quietly making me feel like I built for no one. Then last week someone I've never met sent me an email. It wasn't praise. It was a bug report. Two lines, describing exactly how something broke and what they expected to happen instead. And I got weirdly emotional over it. Because a number tells you a session happened. A bug report tells you an actual person cared enough abo...