A great example of how people are using Arduino as an input conduit to design product.... uses a home made pressure sensor (conductive wire grids separated by foam) around a punch bag as the input device, the ouptut is a 3D model of the object to be made. Great video, love the soundtrack.
about
a memory primer for Duncan Wilson on emerging technologies for an increasingly networked and distributed physically virtual world. It is a collection of all things to do with ubiquitous computing and other drivers of change in the built environment.