The 30 second rule is pretty simple. If you are going to be giving a presentation or talk, you should be able to articulate the main point of your talk in 30 seconds or less.
Most of the time we have too many ideas going through our minds and this often causes an information overload for the listeners. So next time try the 30 second rule before you present.
What do you think? What are some ways that you get ready for a talk?