For a long time I’ve been interested in this kind of site which provides an informational and social overlay on a physical space. Facebook and other campus sites do this for universities and colleges. But what about the rest of us? Peuplade is a neighbourhood- based social networking site for Paris. It looks very promising. I’d join if it were in London, but hélas we don’t have one. Then again, I’m in exactly the demographic that has adopted it in Paris, according to the BBC.