danah boyd says, "In short, they document how culturally specific gendered practices (not technological features) frame the meaning and value of technology."

This rings so true for me... it's like the Clay Shirky quote: "the social characteristics of the web only become interesting once the technology is boring." (paraphrased).

That's why the usage and behavior on a site like craigslist is more interesting than any web service in the last year.