The site 's history and background is given , along with commentary from Wikipedia founder Jimmy Wales and Larry Sanger . Commentators that appear in the film include author Howard Zinn , Len Downie of The Washington Post , Bob Schieffer of CBS News , former Encyclopædia Britannica chief Robert McHenry and former Central Intelligence Agency director James Woolsey . The documentary discuss incidents that shed a negative light on Wikipedia , including the Essjay controversy and the Wikipedia biography controversy .