Just some initial thoughts and reactions.
Click the biggest spoiler people shouldn’t look at if they haven’t seen the movie yet:
C-3PO explodes – http://ift.tt/2tFapEd
Rey is a child of the Force – https://twitter.com/JennyENicholson
The Knights of Ren are the entire cast of Star Wars Rebels, except Sabine which did that feel a little sexist to you – http://ift.tt/2jaG0Nl
Captain Phasma dies but will come back with mechanical spider legs – http://ift.tt/2jgE6YO
Turns out Snoke is adopted – http://ift.tt/2u91GOc