Apologizing may just ruin your presentation.

Every presentation is an opportunity to demonstrate your confidence, competence and character.  You have the chance to prove that you understand your audience’s concerns, and show how you can meet their needs. And, when you do it well, you also get to boost your personal and professional credibility.
Until you say, “I’m sorry.”
Saying, “I’m sorry” in a presentation is like shining a giant spotlight on something you don’t want to audience to see. Saying, “I’m sorry” in a presentation is like blasting the volume on something you don’t want your listeners to hear. Read the rest of the article