Different social networking sites can be used in different ways to help your job search. You may want to set up profiles on a few to increase your odds of making a useful connection. The key is using sites that are already used by lots of people and that facilitate interaction.
The Facebook social network is both global and local. It connects people who are far apart, but also has the dense local structure we see in small communities. As Facebook has grown over the years, it has become even more connected.
Never heard about distributed social networks? They are the alternative to data gulags such as Google and Facebook. An animated comic novel explains how they work.
Do extraverts have more numerous and deeper social relationships? Organisations are increasingly interested in social capital, the networks accessed through individuals, so this is no idle question.
The Internet is a strange, huge beast. It is getting bigger, faster and more mobile each day. Ferocious social networks fight each other to be on top and gain more of our attention and personal information. An entire economy is generated from our browsing habits. This is the face of the Internet.