Negotiation

Please i want one page regarding the below article using your own and simple words and please put citations and references. 

Please copy and paste this link into your browser and read the brief article. 

http://www.briantracy.com/blog/sales-success/the-top-3-negotiation-skills-of-persuasive-people-self-confidence/  

When you look at this information, what specific examples do you think you could provide to help support Tracy's conclusions about essentials to negotiation skills? Do you have any skills you would add based on your experience? Please provide a bit of explanation of any additions you would provide.