I haven’t been on this in a while, and I don’t know if it has been picked up on yet as such, and if it has been, then I am a fool.
In each of Jacob’s flaashbacks, he makes indirect contact with the Losties (except Sun – where he directly touches her arm):
Kate- the lunchbox
Sawyer- the pen
Sayid – places his hand on his shoulder
Hurley – The guitar between them
Jack – the candy bar
Jin + Sun – Hands on Shoulders during blessing
Locke – Locke’s Jacket
Alana – there is no contact, but she wasn’t on 815
this could be of significance as to why they ended up on that island. He triggered their decisions of what would happen next, and he knew that Nadia had to be killed in order that Sayid came back etc etc.
It is important also to note that he makes direct contact with Sun, rather thatn there being an article of clothing in the way, for example. This may explain why she stayed in the present day rather than travelling back to the 70s.
As for Locke, pretty obvious that he is the smoke monster, and Ben’s murderous act in the finale was Ben’s “true” test of judgement. The loophole was that someone human could kill Jacob, and not the Smoke monster.
Any thoughts? 😛