In this paper When Peer-to-Peer Comes Face-to-Face: Collaborative Peer-to-Peer Computing in Mobile Ad Hoc Networks they say

that in today’s world individuals are suffering from a lack of authentic psychological encounters or ‘human moments’. For example, recognized that Internet use of as little as four hours a week can result in higher level of depression and loneliness.

Face-to-face interaction, on the other hand, have an immediate effect on hormones levels and have thus the potential of reducing feelings of stress and fear, and increasing feelings of trust, bonding and well being.

With or without the 4 hours internet use a week, I’d say that those people feel lonely.

I’m somewhat always connected to the internet and at least surfing 2 hours a day, which supposedly should make me incredibly depressive … actually even sort of suicidal …