benefits of public speaking

Why do people talk about the benefits in the public domain?
What are the consequences of not having the field of public speaking?
The main advantage is the ability to speak to a group of people. If you can not talk, so basically a communication error, no one knows what wants. Be strong public speaking gives the public the impression that you are safe and well educated individual – the kind of person you want to promote. Apart form of education, if you can not make a presentation safely, you have missed many opportunities. Say you are in a business and you have this brilliant idea and your boss asks you to submit it to other workers. If you can not make a presentation and being there by saying "like" and "uhhhh" nobody will take seriously, brilliant idea is lost and you look like an idiot incompetent. At the same time, the field of public speaking is a difficult feat. Few have dominated. However, it is not necessary that I like to give a good presentation.
The Benefits of Public Speaking