There is this notion in Lost community that the island is some sort of nexus that lies outside the normal time-space continuity. That the actions of characters on the island somehow influence both the past, present and the future of the outside world. That time travel is the key to all the mysteries. Then there are the continuity errors:
Careful Observations via youtube
Now most of these are probably just human error. But what if some of them are not? Could it be that the flashbacks slowly change as our heroes spend time on the island? Probably not, but the above is still a cool video.
[tags]lost, lost continuity, continuity errors, cool[/tags]