I've written up some thoughts on Wikipedia for a short invited review to appear (pending review) in Organisms, Environment, and Diversity (ISSN 1439-6092). The manuscript, entitled "Wikipedia as an encyclopaedia of life" is available as a preprint from Nature Precedings (hdl:10101/npre.2010.4242.1). The opening paragraph is:The content will be familiar to readers of this blog, although the essay is perhaps a slightly more sober assessment