Justin Knapp, 30, from Indianapolis, has edited Wikipedia at a rate of 385 edits per day since March 2005. The user with the second-most edits is Rich Farmbrough, from the UK. Wikipedia has around 90,000 editors who regularly contribute to the online encyclopaedia. Knapp, who has degrees in philosophy and political science, says of his feat: “Being suddenly and involuntarily unemployed with do that to you.”