[29. Jan 2009; Nerd]
Talks which I remember as being especially interesting.
Locating cell phones world wide - including insight in the SS7 routing process
Reverse engineering micro chips by sanding them down
Security of payment terminals (or lack of)
Dealing with risks of autonomous systems
Professionally growing weed (interesting watering techniques)
Creating music based on simple algorithms (second half has "funky" examples)