Wikipedia is generally thought of as an open, transparent, and mostly reliable online encyclopedia. Yet upon closer inspection, this turns out not to be the case.
Moreover, studies have shown that 80% of all Wikipedia content is written by just 1% of all Wikipedia editors, which again amounts to just a few hundred mostly unknown people.
Obviously, such a non-transparent and hierarchical structure is susceptible to corruption and manipulation, the notorious “paid editors” hired by corporations being just one example.
Indeed, already in 2007, researchers found that CIA and FBI employees were editing Wikipedia articles on controversial topics including the Iraq war and the Guantanamo military prison.
Also in 2007, researchers found that one of the most active and influential English Wikipedia administrators, called “Slim Virgin”, was in fact a former British intelligence informer.
In Germany, one of the most aggressive Wikipedia editors was exposed, after a two-year legal battle, as a political operative formerly serving in the Israeli army as a foreign volunteer.
Even in Switzerland, unidentified government employees were caught whitewashing Wikipedia entries about the Swiss secret service just prior to a public referendum about the agency.