Basically it goes on and on indefinitely until someone gets wise to the fact that they can't win unless they're the last to post... there are no prizes except for the satisfaction of being the winner for however minutes or hours you have the last post, as the moderators can't afford it - various prizes such as a hovercraft or a trip to Hawaii etc, have been discussed...
The main prize is the element of sur-prize...
As midnight happens at different time zones throughout the world, we can't just declare a winner at a certain time so we'll just carry on until a major meteor strike, a bump from Nibiru, the next Ice Age or whatever...

Err. wait but -
...yes. That is exactly right. You definitely should aim to be the last person to post in this thread. That's a great idea, this is definitely the thread you want to be the last person to post in. Do whatever it takes to be the last one to post in here