Frank's Blog

Unevitable Bugs 

Now that I'm using my Mac for writing anything regarding to my thesis (my personal "notebook"), I also have a more demanding use for Keynote. Before I only used it for short presentations, say 15 slides, like the one I gave at the BPM2005 in Nancy, France. The last couple of weeks, however, I'm busily preparing some 90 minute lectures about my current research. Together they contain around 150 slides split into three Keynote files. Each Keynote file includes around 100 formulas dropped as PDFs from Equation Editor. And now there is this bug after working for some time with such (big) presentations: Used from Microsoft Powerpoint under Windows where the slide previews turned very coarse just before the software gave up, Keynote presented me the spinning beach ball each time I wanted to change the slide. Even worser, the text inside my PDFs suddenly turned crazy looking! Finally, the only things I saw in Keynote was that beach ball!

However, what I wanted to say is that either 1) Keynote and Powerpoint share virtually the same code or 2) writing a working presentation program is indeed an NP-complete problem. Have I talked about OpenOffice Impress 1.x yet? No? This software even has unsolvable problems with time and switching to the next slide while actually giving the presentation! Maybe it all gets better with the 2.0 release coming next week.
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