There is a youtube channel I follow and they have some new info I have not seen before. The link has a very minor spoiler possibly. It gives the name of the guy in the wheel chair. Some notable things I learned:
1. his name 2. No matter how much you max stats, the character that has a specialty will always be the best at it 3. when you are not playing as one of the other characters, they can not die 4. There will be a flight school 5.iFruit phone will have games 6.Stunguns are a weapon 7. your motorcycle helmet can be customized.
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