the contact system reminded me of a idea i had(although it would take too much work):instead of having "go to ..." Buttons when you go out have a (semi) explorable area from wich you can see all the stores/places you can go as buildings,also at least blurry cg's of the areas you enter(store's)(that would make you feel more like you're outside and would combo with the phone)you could have the phone to call people as you mentioned but bot could also call you, and you can call her. Think of all the possibilities (plus you could also use it to save game outside or do some other dumb stuff)
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That is what I was thinking and it could used to do other things which could be incorporated with the story itself and how each little action can make a big impact. I am also hoping that we get to see Shanice on a daily basis. She was a such a great character to have met and i would love to see her more and more. it could even be funny to see how Bot and Shanice interact with each other