Targeting online consumers can be a blunt science, but VisualDNA have pioneered a way to collect psychological profiles for individuals on line to create enhance profiles. These profiles can then be used to create segments of users in ad exchanges based on personality. This allows advertisers to tailor ad creative and target to individuals based upon their personality. Jim Hodgkins the UK MD for VisualDNA explains the importance of understanding audiences and how this is at the centre of the future of advertising.