First of all I myself am a user of social networks such as facebook. I find no real interest in social networks because I'm not really an open person and do not like my life has unveiled everyone see anything ... That's why I'm still quite wary of social networks, I think that social networks can be wrong for us, because everything is on the internet and so it could quickly become a refusal to work, if the employer checked himself on facebook, he could find pictures or interest groups that could damage his work. this is why I have just an account representative and not or I tell my life, trying not to hurt my future job. But social networks are good to see great way to find people that we saw more young, or that we meet on vacation, out, etc. ... It is a real time savings because you can talk instantaneously without waiting for the letters as it was happening again. one can also say that social networks also shows the advanced technology.