We can not convince or sale any products or services to others without their interest . Best way to sale your products or services , first you should create interest to others for listing you , then you can explain and convince them. If you meet someone and you want to explain something then contemplate first others present mental status and their priorities .
I have to meet professionals from other companies and there are many professional works in our company.One thing is common in Mostly professionals that they do not understand body language and situation of customer or employer.Whenever they meet,they start speaking without knowing other situation then I have to stop them and I become bound to say them that I am busy in some other important work , now I have no time to listen you, catch me later.
One day, I kept my view in the meeting. I would like to share all of you.