O (b LOG N)

DEMOletter
…the parade is back and this time the start-ups are beating the drum of free software and services. These so-called Web 2.0 businesses give away sometimes outstanding functionality now in hopes of finding a business model somewhere down the line. In the meantime, most of these companies are tapping advertising networks and hoping to build [...]

It may not be rigorous, but I agree: kudos. I’ll bet there are a whole lot of JavaScripters out there wetting themselves.
as simple as possible, but no simpler
I also think it bears noting that Google is pulling out all the stops to build rich web apps, no matter how weirdly they have to hack the [...]