For guys, short hairstyles are like the little black dress for women: they can be stylish and up-to-date or simple and low-maintenance. The classic short back and sides is always in style and never goes out of style. It's also easy to control and keep up, but that doesn't mean you can't get creative. Since I'm a licensed barber, I've seen the basic style done in almost every way possible, from a low taper cut to a messy fringe. In light of this, I have chosen the most popular short haircuts…