Wow! This is a TED Lifehack Talk that is both Inspirational and informative.
In it, Amy Cuddy shares results of some powerful scientific research about body language and explains how to use it to affect outcomes.
She explains the science, shows examples and tells you how to use it to be more effective in your personal and business interactions.
Excellent presenter with a story of her own to share.
If you only watch this hoping to learn how to be more successful in negotiations, you certainly will but you will also come away with much more. Consider it an investment in your personal development.