The truth is, I’m a sucker for the well-timed arrival of useful data: just the right information, just when you need it. It’s the surest way, if you ask me, to make any system work… or work better. Over the last few days—often while I’m walking on the treadmill, trying to hit my step goal for the day—I’ve been thinking about the fact that we really don’t get very much well-timed useful data at all in the theater. For example, let’s think about one obvious piece of information we all care about: ticket sales.