Results from two short surveys run for the Collective Wisdom project. Funded by the UK Arts and Humanities Research Council (AHRC), the Collective Wisdom project captures the collective wisdom of researchers and practitioners in crowdsourcing, citizen history, citizen science and public / community participation in research with cultural heritage collections. The surveys were for people who volunteer for or work ‘behind the scenes’ in crowdsourcing, citizen science, citizen history, digital / online volunteer projects, programmes, tools or platforms with cultural heritage collections. They were designed to supplement the book written by project participants with broader and more international case studies…