If you are associated with marketing and advertising, you should read The Unpublished David Ogilvy. Actually, read it even if you aren’t. David Ogilvy is widely-considered the father of advertising. He founded advertising, marketing, and PR agency Ogilvy & Mather in 1948, and his legendary campaigns include Dove, Guinness, Hathaway, and Rolls Royce, Schweppes. In…