Human nature.

A negative image of Facebook (aptly named Hatebook) has been created.
Here, you just mention what you hate and find angry people that hate the same things that you do. Who knows? You might hate them too!!
Such a very human feeling...

Anti-social networking had to come after social networking. After all, internet was said to drive people anti-social anyway, since it removes you from the "real" world...

Original article (in French).