It's a fair point. It's hard to know where we are in the S curve. Considering how much better it's gotten in the past 12 months I don't get the sense that we're

It's a fair point. It's hard to know where we are in the S curve. Considering how much better it's gotten in the past 12 months I don't get the sense that we're decelerating towards a plateau of capability, but it's certainly possible