Every single plot of any story, movie, book, or television, has been 'done before.' It's simply a matter of making it in an innovative way. The 'underdog vs. giant empire of evil' has been done over since the beginning of written language, and yet star wars seemed to pull it off. I'd suggest not just writing off a movie just because of it's genre, bingo.

Anyway, yeah, it does look pretty cool. I wouldn't be nearly excited if it was anyone other than JJ Abrams. I was a huge Alias fan, I can't wait to see how he does this.

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Oh well she bore all her parts but she never was found
You think "I'll carve a path through New York and be an artist", but are you anything?
Then you find out you can't ask a baby to cry
And an obsession with the past is like a dead fly
And just a few things are related to the old times
Then we did believe in magic and we didn't die
It's not my words that you should follow it's your insides
You're just an inside
Adjust your insides
You're just an inside