Ad Agency business. Business Overview Like many other industries in our baby boomer-driven economy, the field of advertising is experiencing a major downsize. Where clients used to turn to the Madison Avenue-type majors on 'the Coasts,' they're now looking to smaller, friendlier, more specialized agencies in smaller cities -- why not make one of them yours? If you love turning a clever phrase and marrying it with smart graphics, the thrill of the chase for the elusive client,...