Video
John's video lectures can be found here:
John's talk at Daimler und Benz Stiftung: Dialog im Museum (23.07.2013)
John's talk at Ars Electronica (16.09.2013)
John's talk at Zürich World Minds (2013)
John's talk at TEDx Berlin (2014)
BBC Horizon: "The Secret You" (video unavailable).
We investigated the Mattell Mindflex for german magazine Der Spiegel: