Its not perfect, but at Starbucks, the “working on your drink” notification comes when they rip it off the machine, so it is kind of real time. (Kind of, becaus

Its not perfect, but at Starbucks, the “working on your drink” notification comes when they rip it off the machine, so it is kind of real time. (Kind of, because often they rip off 3 or 4 and stick them to the wall)