Take at look at the infographic here

Without data visualization, it’s hard for you to get a sense of what your network looks like, who your key connections are and what kind of crossover or links there might be between the different groups that make up your network. Using a LinkedIn Labs product, called InMaps, you can visualize what your LinkedIn network looks like. Do your connections form clusters or groups? Can you see the way all your connections are related to each other?