So true! I've always followed the guideline that, in general, icons should be viewed as purely decorative. Go ahead and add them for aesthetic purposes, but a

So true! I've always followed the guideline that, in general, icons should be viewed as purely decorative. Go ahead and add them for aesthetic purposes, but avoid making them the sole indication of something's function. I'd make an exception, however, for some extremely common icons, such as the B, I, and X icons for "bold", "italic", and "close".