
144 ◾ Web 2.0 and Beyond: Principles and Technologies
total visits to the site. e remaining 40% of the visitors read one or more of the several
million less-popular articles demonstrating the attractiveness of material in the long tail.
A major area of quantitative study revolves around the question of who does the work on
Wikipedia. ere has been much debate about whether the site is mainly edited by a small
number of what might be called ‘elite’ users or whether it is a genuine expression of the power
of the crowd. Kittur et al. (2007) point out that Wikipedia editors themselves have argued
that a small number of elite editors have in ...