Three great talks on machine learning on YouTube:
1. GoogleTechTalks: Recent Developments in Deep Learning
Geoff Hinton, University of Toronto.
2. citrisuc: TODAY: Innovation in Search and Artificial Intelligence
Peter Norvig, Director of Research, Google.
3. GoogleTechTalks: The Next Generation of Neural Networks
Geoff Hinton, University of Toronto (again).
(Sorry, no embed.)