At first glance, the ad merely showed a blurred, indistinct image of Vincent Van Gogh's famous post-impressionist self-portrait. The painter's face ... Marketers should study them closely to extract ...

This unfinished self-portrait may be the one commissioned by George IV, in which he is supposed to have suggested that the artist wear 'the costume of his Doctor-of-laws gown' but not the cap as 'we ...