It seems unlikely -- impossible, even -- that aliens would just happen to make contact today. Or tomorrow, or the day after. But what if they did? How do you even deal with something like that?
Vsauce digs into the details of our global plan, or more accurately the total lack thereof, to scoop out the sparse details and make a few conjectures. It might seem like a sort of ridiculous question to ask, but someone should be thinking about it, right?