[PPower4] "Hidden" comments?

[M�rten Blixt]

Hi all!
Is there a way to add comments to your presentation which only show up 
on the screen, and not
on the external screen/projector?
Or do you have some tips / work-arounds for such?

Thanks,
                /M�rten Blixt
                <http://www.phys.uit.no/~maarten>