The fact that Jack averted death with the dynamite indicates that there is something to that. Remember that Locke died off of the island.
		
		
	 
Also remember that Michael was prevented from dying off-Island. I think that Jacob / The Island's power extends into the real world.
	
		
	
	
		
		
			So Richard was on the Black Rock. And touching means you live forever? Then how do you explain Locke? And since he touched all six candidates, are they all going to live forever?
		
		
	 
The way I understood it, the touch doesn't 
neccesarily mean you live forever. Richard said Jacob's touch gave you a 'gift'. This could be eternal life, or something else entirely. Jacob's gift could very well be (for example) the clarity to realize that you have control over your own destiny.
	
		
	
	
		
		
			Interesting ... Ben had a chance in the sideways to "save" Alex and he did it. Then Llana says she will have him back even though he killed Jacob. He chose to follow her and rejoin the group, spiting Flocke in the process. Ben is now good?
		
		
	 
	
		
	
	
		
		
			I think the two sides of Ben in this episode goes back to what Dogen said about how there is good and bad in each of us. Flocke upset the balance (and chucked the white rock from Jacob's balance). Sayid and Claire are off, but Ben and others can still right the balance.
I wonder if the message is more about balance than redemption.
		
		
	 
	
		
	
	
		
		
			But how does the flash-sideways line up with the Linus and his dad on the island? They were part of the evacuation? I'm really having a hard time figuring out how that timeline fits into the "real" Lost. Or, maybe I'm just real lost.
		
		
	 
Great question. The scene with him and his dad was very powerful to me, for a number of reasons. First, it was the first time one of the flash sideways characters mentioned the Island. We saw the Island in the first episode of the season, as a viewer, but the characters in the show have not brought it up at all. So we can now safely say that the incident 
did not sink the Island, or if it did, they had ample time to evacuate the Island, both the Dharma Initiative and the Others (as Ben was with the others at the time).
Second, Ben and his father go to the Island as a direct result of Ben's Mother dying in childbirth (Horace finds them, helps them, offers Roger a job). Ben's Mother's death also causes the great hatred between Ben and his Father, which, in the original timeline, ends with Ben killing his Dad. In this new timeline, however, they seem like they found a way to make up, and they seem to have a really nice relationship.
EDIT: The imagery of this scene is magnificent. In the original timeline, Ben killed his father with poisonous gas. In the parallel timeline, Ben is 
keeping his father alive with oxygen. This is a very subtle but powerful contrast.
This, in conjunction with Ben putting Alex in front of himself, shows that Ben is a good person in the sideways timeline. This is in direct contrast to his original timeline character. There is good and bad in everyone - one of the major themes of LOST.
EDIT: Another parallel - in this episode, in both timelines, (f)Locke tells Ben that he wants him to take the leadership position at their respective locations (the school / the Island). It is interesting how the events in the FST mirror those that happen in the OT, but the decisions the characters make are not neccesarily the same. You can bet that in the OT, Ben will indeed screw over whoever he needs to in order to get his Island leadership position back, which is in direct contrast to his actions in the FST.
	
		
	
	
		
		
			I think the thing with Locke dying was that he was killed.  In fact, I'm guessing that if he managed to try and commit suicide like he was trying to, it would have failed.  I'm also reminded of Michael who tried to kill himself multiple times.
		
		
	 
I think it has something to do with free will. You can't kill yourself, but someone else can kill you if they decide to do so independently. Ben could kill Locke, even though Locke was a candidate, because Ben did so entirely out of his own free will. Michael couldn't kill himself because someone else has to do it.
	
		
	
	
		
		
			I think the conclusion of the characters in their sideways flash is the mirror of their fate on the Island (hence the producers stressing scenes where the characters stare at themselves in mirrors or as in Sayid's case blurry door glass[evil=not clear reflection]). For example, Sayid kills the mobsters, basically embracing his dark side and that is exactly parallel to what he does on the Island. If this logic were true, then the fact that Ben does a good thing and appears to be a good guy should mean that he'll do a good thing on the Island and confirm his good status.
		
		
	 
I think this is a very fair conclusion to draw. You can clearly see parallels between what happened on the Island in the original timeline, and what is happening in the parallel timeline. Before the most recent episode, I thought the message they were trying to send was 'you can't escape your destiny' - the same things that happened to the survivors on the Island would have happened regardless of if the plane crashed or not. However, Ben showed that free will has a direct impact on your destiny. Ben made certain decisions in one life that he did not make in the other. Ben's free will 'saved' Alex, whereas on the Island, it killed her. Your destiny is not set in stone.
	
		
	
	
		
		
			I'm really liking the "shout outs" to previous seasons, like how they had the music when Jack and co. arrived in the beach. Just like when they came back from being captured by the Others in season 3. Brings it full circle and I just still can't believe it's almost over.
		
		
	 
I actually called this out to the people I was watching with. I'm not sure if this was a shoutout, or if this is just the only way the producers know how to do a beach reunion scene 
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EDIT: Oh my, did I kill the LOST thread?