Two weeks ago I had the pleasure of giving a talk and a tutorial at GKmM Summer School 2008. The GKmM Summer School is a highly selective summer program that brings the brightest minds around Europe together. Held at a remote castle in Germany, participants focus on heterogeneous networks, discuss the state of the art of sensing, and formulate new ideas and interesting applications. The program was very well run and had a good mix of lectures from unmanned vehicle control to wireless sensor networks. Most of the lectures were academic with interesting novel applications -- a very cool underwater unmanned manaray, for example.