Graphic designers know how important letter-spacing (tracking) is to a design that features lots of typography, like those created for store signs or billboards, and yet some designers still manage to fall short.
They haven't learned to leave enough space between letters so the words they're writing can be clearly understood, a rookie mistake that may cause a budding graphic designer to lose clients.
But you don't have to be in the graphic design biz to find this tip helpful- make sure you leave enough space between letters or you may end up making an anal of yourself!
See 15 Images That Show Why Letter Spacing Is Important here