The system does keep track of how everyone voted, though; it needs to do that in order to render the thumbs up/​down buttons as green or gray. wedrifid is right though; using suitable compression, you might be able to get away with less than two bits (in aggregate).
The system does keep track of how everyone voted, though; it needs to do that in order to render the thumbs up/​down buttons as green or gray. wedrifid is right though; using suitable compression, you might be able to get away with less than two bits (in aggregate).