Paper bulletins are a long time tradition. It gives you something to do with your hands, its proof of where you’ve been, when its sitting on your kitchen table or in the console of your car, it gives people something to say to you when they visit or you pick them up hitchhiking “oh you go to st christina’s, blah blah blah”, the plain back can be torn into little pieces and used for phone #'s or other short notes.