That opens up an option. You could design a text program that gives both parties the ability to impose a cooldown timer on the other's box. I wonder when an AI

That opens up an option. You could design a text program that gives both parties the ability to impose a cooldown timer on the other's box. I wonder when an AI would forcibly lock your own box to deliver a message. Maybe this would be useful if it predicts you're about to say something incriminating.