Speakers need to think about THANK YOU often offered at the end of a presentation. Realistically it is the audience who should be offering thanks to the presenter for his or her contribution.
Watch out for DISTRACTING GESTURES. Scratching parts of body while presenting needs avoiding. Don’t scratch nose, squint, overuse eyebrow wrinkle. Involuntary actions can be off-putting.
INJECT HUMOUR into speech, but AVOID LAUGHING at that humour. Humour engages and focuses audience groups. However, those same audiences can be off-put if speakers laugh at their own