Dr Paul Marsden is social psychologist who writes, speaks and consults on the influence of technology on our lives.
Specialising in the spread of fads, fashion and trends through social networks, Paul consults to consumer brands on how to engineer fads and fashions, and consults to public bodies on how to stop them.
Former managing editor of the Journal of Memetics, he runs the Social Commerce Today, the leading online publication for news, comment and analysis on how to sell with social media.
He is a contributor to the New Scientist and The Psychologist, and a member of the Royal Society of Arts.