"The hole in the wall: self organising systems in education" Keynote speech by Sugata Mitra, Professor of Educational Technology at Newcastle University (Twitter track by agreement with Sugata) at "Into something rich and strange" - making sense of the sea change, the 2010 conference of the Association for Learning Technology (ALT). Session given in Nottingham, UK, on Wednesday 8 September 2010, at 14.00. For information about ALT go to http://www.alt.ac.uk/. Made publicly available by ALT under a Creative Commons Attribution-Non-Commercial 2.0 UK: England & Wales license http://creativecommons.org/licenses/bync/2.0/uk/.