I didn't hear a thing. The keynote and/or lightning talks that were happening during this were pretty loud, and I was paying attention to those (although it certainly doesn't look it from this snap, heh).
In 2006, as inotify first hit the kernel, some friends and I wrote fsniper [1] to accomplish this same task. There's also incron [2] which is similar. In today's parlance we'd call fsniper "opinionated" about its workflow.