When we last saw Ally she was in shock over her encounter with Billy. Ally realizes her life is in crisis and that everything she does from this moment on could mean a lifetime of happiness or bitter disappointment. That's when she makes a decision not to be passive and do something about her life.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.