Try not to practice it..
Some people, and I guarantee you know people like this ..
.. are incapable of hearing anything said by someone they feel is somehow beneath them.
Sure, you speak to them, but that particular falling tree doesn't make a sound in the forest, because there's no one actually listening.
Charismatic people listen closely to everyone, and they make all of us, regardless of our position or social status or "level," feel like we have something in common with them.