Live at last, so all those people I've been telling to wait for this can finally try it out for themselves.

No matter how basic your knowledge of space and the stars and planets, this is still worth trying. You might be surprised how compelling it is, but then of course it has a whole universe of content to explore.

WorldWide Telescope

I've had discussions with a number of people about the new Fluid UI, also known as the Ribbon, that replaces the old menu structures in some of the Office 2007 applications (Word, Excel, and Powerpoint).

Some love it, some hate it. Some want to have the option to use the old menus and keyboard shortcuts, and sometimes get very upset when it is pointed out that this means they will NEVER change and be able to access the newer features.

Anyway, I guess at the root of all this is the question of Why it was changed, and this presentation does a good job of describing the reason Microsoft felt this change-pain was worth suffering.

Jensen Harris: An Office User Interface Blog : The Story of the Ribbon