Indeed. One of my main uses for emoji is the thumbs-up/heart/etc., likewise signalling "Over-and-out." And yes, I realize that, technically, "over-and-out" is

Indeed. One of my main uses for emoji is the thumbs-up/heart/etc., likewise signalling "Over-and-out." And yes, I realize that, technically, "over-and-out" is incorrect, it should be just "out".