This from Ars[1]. Sound familiar?
* - The top 10 percent of contributors end up supplying an average of
about 80 percent of the total effort put into these projects. - Most
people who show up to check out a project never return. The most compelling
projects still saw 60 percent of their users
These same patterns have been noted for decades in studies of volunteerism,
charitable giving, community association, face-to-face support groups, and
voluntary religious organizations. They are a consequences of the interaction
of human interests/motivations and competition for limited
