Someone I'm mentoring told me they didn't think they could build something like that.
Two hours later, they pushed a working app to GitHub.
We had a pairing session this weekend. They chose the idea: a Pomodoro timer app for macOS. They drove. I guided. We built it using Claude Code and Cowork, tried some interface approaches we hadn't explored before, and talked through a lot of it as we went.
It wasn't about the app. It was about the moment they realised they'd actually made something, from scratch, in an afternoon.
That shift in what someone believes they're capable of is one of the most rewarding things to witness in mentoring. And it's arriving faster now than it ever has. The distance between an idea and a working thing has collapsed. A lot of the friction that used to slow people down, environment setup, knowing which tools to reach for, has been dramatically reduced.
What that means is the real bottleneck is increasingly just the decision to start. Most people don't, not because they lack capability but because they haven't seen proof of it yet.
Two hours. A working app. A new baseline for what's possible. That's what playing with an idea looks like.