Scenario: a prospective customer walks into your office, shakes hands with you and sits down. You look at his clothes, his bag, even his shoes. You check his haircut, his facial hair, if he has any. You even sniff to see if he smells and, if so, of what. You check out his shoes. You listen to his voice, the accent, inflection, the tone. You analyse the skin on his fingers and palm when you shake hands. You look at his fingernails and, even the way that he sits. And you form a view. But did you know that, subconsciously, there is something else that has influenced you, from the moment you looked at him when he walked through the door? New research says there was.