Gavin designs social web applications for the Nature Publishing Group. He is an interaction designer, community advocate and product manager. Since the early 90s, he has been writing and designing for the web. Large scale web applications covering identity, on-demand media, geolocation and social software have been the main focus of his work at NPG and previously at the BBC. He has worked in academia, advertising, publishing and developed multimedia software. He lives in London with his wife and two sons. Find out more on his personal site gavinbell.com and his blog take one onion.