when addressing a large audience you will always need to prepare in advance, only a few, outstandingly talented people can walk up to the microphone and just create an exciting and thrilling speech out of nothing. Most of the speeches people take notice to were written by professionals, and more importantly – were rehearsed over and over again, until every word had the right kind of sound to it.
One good thing you can always use when public speaking is humor, humor is a great ice breaker and one a the signs of intelligence, using some humor will allow you to gain some trust and relax your audience into submission.
Sharing your mistakes, and your weakness can also score you points of honesty and trustworthiness ,this might sometimes sounds very strange, as most people think that allowing others the knowledge of your failure and mistakes would be devastating to your persona, it is not the case.
