Slideshare. Powerpoint. Slideshow. Backchannel. How To Give A Great Presentation. Public speaking can be very stressful.
I know that whenever I get up in front of a crowd I go through a panic moment. It takes a lot of discipline, practice and preparation to put on a good presentation and even knowing what you need to know can be hard. A year or so ago I wrote on the subject of first time speaking.