The fact is that Public Speaking is one of the best marketing and public relations tools. Here are some of the reasons, why:

If you are standing in front of loads of people and have the guts to speak out load then you are the expert: the fact is that I simply don't know why but if you are speaking in front of a group, but the fact is that no matter what kind of person you are, everyone assumes you are an expert. Even if you screw up, even if you are not aware much about your language, it doesn't matter, if you have the hear and brain to stand up and speak while giving people useful information, then people will surely regard you as an expert, that is for sure!

You will make thousands of New Relationships

It is quite obvious that if you will attend a networking event, then there are chances that you will surely make loads of contacts and the it is not new that you may get three contacts with potential clients.
But above all, if you are the person who is engaged to speak at that event, then you will surely establish a relationship with hundreds of potential customers.

You will gain loads of Trust

The fact is that when you speak in front of your audience. You can establish an immediate relationship of trust and credibility with the help of your skills and knowledge in front of everyone! And if you success in making trustworthy relationship with them, then that trust results in people wanting to do business with you. Be honest!

Perfect Excuse for Contacting them again!

The fact is that when you arrange a speech in front of your audience, then it is the "first date" with your audience. Now, ask them for a second date! That means take their contacts or ask them to contact you so that you can enter the second phase of your speech and make public relations!

Tell the media about your plan from the stage itself. But don't promote your product or service directly!