Wikipedia, this unlikeliest of success stories on the internet, turned 20 last week. This oral history of how it came to be has some fascinating insights: The lucky coincidences that lead to the concept we now take for granted; why the terror attacks of 9/11 turned out to be an early catalyst for its success; and how, as with almost every innovation on the web, pornography played its part

From Weekly Filet #331, in January 2021.