203 204 His research examined the counterproductive work behavior of edit warring. Retrieved June 27, 2008. Initially an English-language encyclopedia, versions in other languages were quickly developed. Revisions with libelous content, criminal threats, or copyright infringements may be removed completely. 250 251 As of December 2009, there were 300 in Florida and 44 in Amsterdam. Yair AmichaiHamburger, Naama Lamdan, Rinat Madiel, Tsahi Hayat, Personality Characteristics of Wikipedia Members, CyberPsychology Behavior, December 1, 2008, 11 (6 679681; doi :.1089/cpb.2007.0225. "Wikipedia Exploring Fact City".