It was with this thought that the message from the First Speaker reached him. It had the kind of appropriateness that was common in a mentalic society. It was called, more or less informally, the “Coincidence Effect.” If you think vaguely of someone when someone is thinking vaguely of you, there is a mutual, escalating stimulation which in a matter of seconds makes the two thoughts sharp, decisive, and, to all appearances, simultaneous.
