Hey! We missed you! In this week’s show: the legal minefield of “Custom and Practice”, why city size matters, London ‘s crazy air pollution and Dutch houses. Plus, can you tell the health of a nation’s politics by the height of its people? And are cameras on policemen a good thing? Then, revolution in the TV industry and Fevzi’s unsavoury collection of sanitary towels. Tell us what you think at tro@gadgetdetective.com