By Stephen Downes - Stephen's Web. Jim Giles: Internet Encyclopaedias go Head to Head, Nature December 15, 2005
This one is all over the blogosphere but I'll pass it along because it's directly relevant to some previous discussion here. As the article says, "Wikipedia comes close to Britannica in terms of the accuracy of its science entries, a Nature investigation finds." What was most interesting was the number of errors found in Britannica; we assume the peer-reviewed work is a gold standard for knowledge, but this standard is actually fairly loose. More...