I was wondering about this as well. In my (Japanese) office, all of us use erasable pens. They come in a variety of colors, erase cleanly and easily and as far

I was wondering about this as well. In my (Japanese) office, all of us use erasable pens. They come in a variety of colors, erase cleanly and easily and as far as I can tell do exactly what this new sharpie pencil does. Or am I missing something amazingly obvious?