Well, finally saw it today, so still in the process of analyzing the effect it had on me.
Our popular media includes a mix of STS & STO 'memes', and Tomorrowland is certainly no exception.
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Minor Plot Spoilers Follow}
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While Tomorrowland does indeed consist of a meritocracy of 'dreamers' who have been recruited to live in a breakaway civilization in a nearby 'dimension', the initial appeal of the place seems to be mostly due to its emphasis on inventions/technology (cue the flying cars & rockets). An especially optimistic young protagonist discovers this civilization when she is recruited by a rebellious faction to help revivify a moribund Tomorrowland, which as it turns out is having a negative 'psychic' sort of effect upon our civilization, one which may soon prove to be our reality's Doom.
Being a Hollywood movie, naturally there had to be a bit of a run-around along the way, with appropriately creepy henchpeople menacing our protagonists.
In no particular order, I noticed the following memes:
Tesla, Edison et al discovered/knew a lot of weird stuff, much of which we plebes have never been told
Neighboring 'Dimensions' (Hey, they weren't going to call them Layers or Frequencies)
Neighboring Dimensions having a negative effect on our present reality / including - affecting our views & attitudes
about the future
Technologically opening/closing portals to other dimensions
Being invited to a breakaway civilization/other reality -
if you're forward-thinking / clever enough
People considering themselves to be Superior to us looking down on us for... being negatively affected by their... psychic interference
Anything else really stand out to those of you who've seen it?