…… . It is impossible to turn a blind eye to the tempting overtures to buy this or that article that fill our streets, newspapers, and magazines. Even in the privacy of our living-rooms, advertisers are waiting to pounce on their helpless victims as they tune in to their favourite radio or television programmes. In time, no matter how hard we resist, clever little tunes and catch-phrases" seep into our subconscious minds and stay there.