Boy, have I learned about this the hard way!
You decide to allow questions all during your presentation. You have a very engaged, inquisitive audience, but you never get to make your main point. You get so sidelined with concerns and side issues that you just plain run out of time. Score one for the audience!
I can remember a breakout session I conducted at a Toronto conference where this is exactly what happened. It was on video blogging: How to come across with passion and credibility on camera. The presentation relatively quickly degenerated into a discussion and I never did get back on track.
Discussions are NOT presentations!
While I got great evaluations for a spirited and interesting session, I never got to make Read More …