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POPSSMILIES: Why? is what I'm asking. If your comment is funny, they're superfluous. If they're subtle and ironic you're just rubbing the noses of those incapable of detecting it in their inability. If your comment has animus they have as much effect as whipped cream on feces. If your comment can be taken as positive or negative, humorous or serious, they serve to illustrate your insecurity and/or your condescension. and so on.......