"A unique survey ran on O'Reilly's web site during the first
three months of 2007, aimed at people who contribute free
documentation to online mailing lists, web sites, and other forums.
The survey garnered 354 responses, which in itself indicates the
thriving state of free documentation and the dedication of the
people who write it.
"Professional computer users know well that computer
documentation, like music and news, has moved online. What's truly
phenomenal is the high rate of contributions by rank-and-file