Go to the intercom system
From Create Your Own Story
You go to the front office and go over to the intercom. As you turn it on, you project a little power. People will obey whatever orders you give, but not understand why they are doing it.
"Attention, this is Matt, or, as I'll be known by now, God. I have an important announcement for you all."
You try and think of what you want to say;
