"[E]veryone has a bunch of obscure things that, for one reason or another, they've come to know well. So they share them, clicking the edit link and adding a paragraph or two to Wikipedia. At the same time, a small number of people  have become particularly involved in Wikipedia itself, learning its policies and special syntax, and spending their time tweaking the contributions of everybody else."
Tuesday, September 05, 2006
How does wikipedia work?