does not require that its editors and contributors provide identification. The h2g2 encyclopedia is relatively light-hearted, focusing on articles which are both witty and informative. Stacy Schiff (July 31, 2006). 245 According to Andrew Lih, the current expansion of Wikipedia to millions of articles would be difficult to envision without the use of such bots. 273 The project is available online; an equivalent print encyclopedia would require roughly 20 volumes. Yasseri, Taha; Sumi, Robert; Kertész, János (January 17, 2012). In December 2015, John Julius Norwich stated, in a letter published in The Times newspaper, that as an historian he resorted to Wikipedia "at least a dozen times a day and had never yet caught it out. (Substantial criticisms of Wikipedia and other web.0 projects.) Listen to: Keen, Andrew (June 16, 2007). "Harnessing the wisdom of crowds in Wikipedia: quality through coordination". "Can History be Open Source? Lu Stout, Kristie (August 4, 2003).