In your presentation, you should always be prepared for the unexpected. You should also be able to confidently handle flexible the participation of unexpected audience members or very detailed queries.
Even if you have prepared yourself very well and for a long time for such questions, they can, in the worst case, tear you out of your presentation flow. Therefore, it is necessary that the presentation software you use supports you in the best possible way.
Stay cool & flexible!
Additional information, links to websites or a searchable document libary helps you to answer detail questions and stay cool.
Modern presentations are able to react flexibly to changing conditions on their own.