Since then he has worked in research and development for a range of organizations including The British Library and Whirlpool. He is a longstanding member of The British Computer Society, Human-Computer Interaction Group and The Usability Professionals' Association and is a regular contributor to publications and conferences in the field of design, usability and engagability In addition, to writing and speaking he is a practising artist in mixed media and has worked as a visiting lecturer in design, computing, information and mathematics. Email: John.Knight@uce.ac.uk.