Lots of new features in Mac OS X Leopard, but Stacks is one that I would definitely use.
Everyone has had a messy desktop once in a while. The desktop is just the most convenient place to store stuff you are working on right now. To solve this, Leopard allows you to create stacks which are collections of files, programs or folders. For example, Safari automatically creates a Downloads stack where it puts downloaded files so they won’t clutter your desktop anymore.
Incidentally, I just read a paper by Thomas W. Malone titled How Do People Organize Their Desks? Implications for the Design of Office Information Systems, which clearly says computer systems should take advantage of the fact that people naturally organize their work in piles (or stacks)
Came across an article describing the process behind the curtains of Apple’s keynotes by Steve Jobs.
I always found his presentations very good. He surely manages to get, and maybe even more important, keep your attention. Ok, sometimes he exaggerates a bit, but if you want to draw people’s attention or convince people of your opinion, I suggest you have a look at one of his presentations, and start learning. A good candidate might be yesterday’s Macworld keynote, where Steve introduced the first Intel-based Mac. You might also have a look at last year’s WWDC keynote (where Steve introduced the move to Intel, and had to explain why this was necessary and beneficial).
The article discusses what I already suspected: the presentations are very carefully planned and prepared. Having it all in your head in advance allows you to concentrate more on the message you’re trying to transfer, and leaves room to improvise.
A common mistake when presenting is putting far too much content on your slides. To the audience, it’s like trying to read an article in a 9pt font with no paragraph divisions. After a while, you just give up.
A lot of tips and tricks about giving presentations can be found at Presentation Zen. It also features an article comparing the presentation styles of Bill Gates and Steve Jobs.