academic studies about wikipedia angela beesley blocking of wikipedia in mainland china bomis cnn citizendium collaborative software concurrent versions system criticism of wikipedia deletionism and inclusionism in wikipedia deletionpedia encyclopedia essjay controversy florence devouard free software foundation free content free software gnupedia gnu free documentation license gnu general public license henryk batuta hoax history of wikipedia internet archive internet encyclopedia project interpedia jimmy wales larry sanger list of online encyclopedias mark frauenfelder mediawiki mywikibiz natural language open source peer review reliability of wikipedia richard stallman screen name seigenthaler incident slashdot sue gardner the industry standard usa congressional staff edits to wikipedia veropedia wiki wikipilipinas wikiscanner wikiznanie wikia wikimania wikimedia foundation wikipedia wikipedia review wikitruth wikiweise world wide web