The thing I dont get about social networking is this- let's use twitter: you sign up and leave your account open (given that you have the option to restrict followers) and then you get mad at 'random' people that follow you. What did you leave it open for? Ok fair enough some weirdos exist and everything- but I don't think someone gets to be labelled a loser because they happened to find you funny.
I see it in a lot of social interaction- in person and online and I'm sorry to say mainly among Nigerians. I would like to make the social change- but hey! Who likes to be called a familiar loser behind their back?