Normally when we think of the internet and in particular social networking it seems to be something that we all do, but it is invisible to the naked eye. Well it turns out that is not entirely true and the digital cartographer Eric Fischer proves that point with these cool images.
The lights in the image above are in London and they represent just two different social networks, orange is Flicker, blue is Twitter and white is both. Of course, if he had used Facebook the entire map would be full of lights!
Source [Creativity Online]