Every single element in an advertisement - headline, subhead, photo, and copy - must be put there not because it looks good, not because it sounds good, but because testing has shown that it works best!
John CaplesRemember that the reader's attention is yours for only a single instant. They will not use up their valuable time trying to figure out what you mean.
John CaplesGet the big point of your advertisement into your headline. Use your headline as a hook to reach out and catch the special group of people you are trying to interest.
John Caples