I learned the secret of mind control from a colleague of mind at a major university on the East Coast of the United States.
He used a form of this trick/Jedi Mind-Meld/Instant Hypnosis to get students to listen to him instead of just hearing him during lecture sessions.
My friend came up to me at a department party and spoke to me in a low voice I had to strain — nay, concentrate — to understand.
He said, “I’m nobody and I was never here.”
I curiously looked at him. Was he talking to me?
He gazed into my eyes and spoke in an even quieter, calm, tone: “You’re not seeing me.”
“Okay,” I said. “Then who am I talking to?”
“Nobody.” He said. “You’re talking to yourself.”
As I nodded my head, my friend silently turned away and disappeared.
When I saw my friend the next day, I wondered why he hadn’t shown up to the department party the day before.