Telling a lame joke makes you look lame

I’ve heard a lot of speakers recently who must have been coached to always start a presentation with a joke.  They follow this advice to the letter and wind up telling jokes that a) have nothing to do with the topic at hand, and b) aren’t funny.  Telling a non-topical, non-funny joke just wastes time.  Worse, a lame joke makes you look lame.  Find out more in the video: