For me, very difficult to speak in front of a crowd of unfamiliar people. I stammer, blush and sweat, the text spreads before his eyes - a familiar feelings for many.
To reassure myself a little, I imagined that I speak to my friends / family. The main mistake - look in the eyes of the audience. We need to find a point on top of and look up only to it - you seem to look into the hall, to the audience.
Never say long abstruse phrases - it's boring. Even scientific facts can be explained by simple and fun. Do not be afraid to make a mistake - the performance will be more emotional and mental. Of course, there will always be inadequate people who want to lead you to thoughts - will ask tricky, snide questions. Do not engage in discus react joke.
Always write the text themselves. A desire to be downloaded from the Internet ready text or ask someone to write - it's a lot easier. Each of us has a unique style of speech and manner of speaking, if to speak with someone else's text, you lose your identity. The main talk of the soul, then your speech is like, even if it contains errors / inaccuracies no one will notice your enthusiastic story.
To tell - it estesvenny processes, we all learn and know how to talk to childhood. Smile and calmly speakers - tune in to positive!