Wikipedia

Wikipedia was a website-based database of knowledge created in the 21st century. Rhys Williams used Wikipedia to investigate the Ghost Train. (AUDIO: Ghost Train)

When the Seventh Doctor changed history slightly, he mentioned that he would need to edit Wikipedia to reflect the change. (AUDIO: Mask of Tragedy)

Alice Obiefune once remarked that Wikipedia was "decidedly light" on the part of history where the United States Conference were attacked by werewolves. (COMIC: The Long Con)