The Competition and Markets Authority is making it clear that transparency is no longer just a simple matter of legally precise disclosure.  Structural and navigational factors are now equally critical.  This is a challenge for most organisations – how do they now objectively test and report on how the structure of their communications will affect reader’s understanding, do this at scale, and in an auditable and defensible way? Ewan Willars and Tom Barratt discuss what firms need to do.