Almost all of us hear about networks of blogs time and again through some method or another. Quite often you might be wondering why such websites would build such massive web networks. The answer to the question is very simple = to build links to the websites they own. Using the web networks, such websites make massive web networks to make a big amount of useful backlinks pointing to their income generating websites. You too can start web networks, if you feel the requirement to. It is practically pretty easy.