I'm using Keynote '09 (I'm also interested by a solution working with the last version of Keynote since I will upgrade if the function is there). I'm making a lot of presenter notes.
With some of them I have prepared a set of relevant questions the watchfull listeners might ask and some I may ask them. I put all these in the presenter notes which I can look at during a presentation.
How may I edit these notes, during a presentation, so as to take into account good questions and answers coming either from me, the speaker, or the audience?