[beer bacon]

This is copy and pasted from another forum:

The island was real.

When people died, on the island or just in life, they ended up in the alt. The alt was therefore heaven or some kind of afterlife, which is why everyone kind of knew each other all along but just needed to be remmbered of it. Because it's an afterlife, it's timeless, so the people who died, died when they died but everyone is there all the time, regardless of when they died, as Shepard said.

basicly, just listen to what Christian says, and there you go, that's the finale to lost.

The island stuff happened. Boone died when he died, and when he died, everyone was there just like Jack. the afterlife has no time. it's just there in the ether. The point of the time travel and all? to stop the man in black from taking over the world I guess. which they did.

LOST.