It sounds really impressive, smart, innovative UI and underlying architecture. 37 signals did it again!
What is the minimum requirements of a team, programmers/skills/time, to get into such a project and actually deliver?
Why the downvote? It looks like a very promising attitude, but one has to consider if this added complexity is feasible for a smaller or less experienced shop. The input is important.
Perhaps because the caching methodology in the article has been advocated to Rails developers for several years now?
It was a good refresher for those who have forgotten or are new to Rails (or web development in general), but to call it innovative is going a little far.
