Florian Michahelles mentioned in his blog a talk [1] and paper [2] by Aaron Beach on mobile social networks that are linked to artefacts (e.g. clothing) in the real world. This is really interesting and I think we should look more into this…
[1] Aaron Beach. University of Colorado. Whozthat: Mobile Social Networks. Whoz touching me? Whoz Music? Whoz Watching? Who Cares?
[2] Beach, A.; Gartrell, M.; Akkala, S.; Elston, J.; Kelley, J.; Nishimoto, K.; Ray, B.; Razgulin, S.; Sundaresan, K.; Surendar, B.; Terada, M.; Han, R., „WhozThat? evolving an ecosystem for context-aware mobile social networks“ Network, IEEE , vol.22, no.4, pp.50-55, July-Aug2008