It can catch someone's attention in a crowded room, "Eye contact and smile" can signal availability and confidence, a common-sense notion supported in studies by psychologist Monica Moore.

I haven't spent much time looking at the hackers, but my sense is that they have some kind of contact with the larger subculture and that they draw on the ethos of it.

Urban residents tended to enjoy more frequent contact with individual friends while rural residents felt a greater sense of belonging within their larger community.