I'm going to reply to this, cause it's pretty insulting. The big crunch is never going to happen, all chance of that was lost over 5 billion years ago. If it was to happen the universes expansion would have to be decelerating, however it's accelerating. Accelerating means it's not slowing down under...

Hts expires its users sessions (or whatever) after around 10 minutes, which really fucking sucks for browsing forums.
I make the suggestion that some way round this is found.

Obviously not, the majority of people are idiots. So people should 'bend their will' to the smart/rational/logical people. Course one could make the argument that the rational people will then do what's best for themselves, that being rational. Hence people should do whatever has the highest payoff ...

The best you can do, is define a system and then statements that are derivable from that system definition are 'truth' within that system.

Of course you don't have to do all the missions again. What kind of inane developers store data like that in cookies... It'd obviously be stored server side.