You can broadcast a single thought to everyone alive. What thought would cause immediate chaos everywhere?
You can broadcast a single thought to everyone alive. What thought would cause immediate chaos everywhere?
This is assuming that the thought is translated into something each person can understand.
"YOU ARE MY CHOSEN DISCIPLE. GO FORTH AND SLAY THE NON-BELIEVERS IN MY NAME."
Don't even say who you are. Everyone will just assume it's the god they already believe in. And everyone who doesn't believe in a god would start questioning everything.