PowerPoint?!?!?
Why not? Since it's the tool he uses most often for his work and the one he's most comfortable with. Oh, and it runs on a Sony Vaio, which makes it much easier to transport. For the record, M. Guillard (loué soit son nom ;-) ) drove over 500 kilometres to do the presentation, getting up at a probably illegal time in the morning to avoid the traditional parsec-long traffic jams that coagulate down the Rhone valley at this time of year. Anyone in doubt as to the gentleman's value to the Amiga community might wish to do a little googling for "Stéphane Guillard". IMO someone that's done so much for the Amiga can use whatever software he damn well pleases.
:-D