It's not really useful for the conversation to lump it in with the traditional definition of progressive enhancement that's been done for years. Even middle of

It's not really useful for the conversation to lump it in with the traditional definition of progressive enhancement that's been done for years. Even middle of the road efforts I tried a few years ago (such as sharing a templating language between client and server even when the implmentation language differs) was fraught with friction compared to this technique.