We live in a visual age. That which is seen has become more important than what is heard. The message often becomes lost in a plethora of images and vision snippets. We have but to think of the election campaigns of both candidates in the recent United States presidential elections. During the lead up to the ballot there was a merging of image and message into a constant bombardment of slogans repeated day and night as media mantra. And this is hardly confined to the United States.