I don't expect anything from the conference organizers apart from what's typically given. My point is, I despise presentations that could have been a Youtube, if you're going to give a presentation, make the experience unique to the people in the room, view the prepared sections as just enough to kickstart your intended impromptu part. This is a skill in and of itself and you just need to practice it to get better but most people aren't aware/don't try and I view it as a massive missed opportunity.