Presentation at Kings Citizen Humanities Comes of Age: Crowdsourcing for the Humanities in the 21st Century, September 2015 Some of these points are discussed in How an ecosystem of machine learning and crowdsourcing could help you http://www.openobjects.org.uk/2015/08/ecosystem-machine-learning-crowdsourcing/ How an ecosystem of machine learning and crowdsourcing could help you http://www.openobjects.org.uk/2014/09/helping-us-fly-machine-learning-and-crowdsourcing/