> but it does seem like there are some qualitative improvements between the models. It could easily seem that way, I think, in a "quantity has a quality of its

> but it does seem like there are some qualitative improvements between the models. It could easily seem that way, I think, in a "quantity has a quality of its own" kind of way. When you can come to the same conclusion faster, that lets you iterate more; and sometimes when you iterate you find more things.