> Be me, regular human like everybody else on this planet.
> Live in single-room flat in apartment building.
> I’m derping around the internet.
> Suddenly, connection is lost and lights flicker but ultimately stay on.  
> I turn the TV on, I rarely do that these days. 
> All channels have emergency broadcast on them
> "Stay calm, stay inside"
> I go to kitchen to see how much food I have.
> Refrigerator happens to be almost empty, or at least devoid of edible stuff.
> I open cupboard and sigh at relief when I see stack of instant noodles.
> I remember that I need water and electricity to properly cook them.
> Figure out I can fill all my pots and pans with water but can't do anything if power grid goes down.
> Suddenly, somebody starts pounding my door.

1. Pretend that nobody is home
2. Ask who's at the door
3. Open the door
4. Open the door a little!