who invented facebook wikipedia?
Mark Zuckerberg
contradiction
 Wikipedia began as a feature of Nupedia.com on January 15 , 2001 , later known as Wikipedia Day . It was originally intended only to generate draft articles for Nupedia , with finished articles moved to the latter . Wikipedia became a separate site days after the Nupedia advisory board opposed combining the two . In September 2001 , Wales was simultaneously CEO of Bomis and co @-@ founder of Wikipedia ; Sanger was chief organizer of Wikipedia and editor @-@ in @-@ chief of Nupedia . 

contradiction
 Larry Sanger , co @-@ founder of Wikipedia who left the project in 2002 , called Essjay 's response " a defiant non @-@ apology " and elsewhere characterized Essjay 's actions as " identity fraud . " 

neutral
 " On the Internet , nobody knows you 're a dog " is an adage which began as a cartoon caption by Peter Steiner and published by The New Yorker on July 5 , 1993 . The cartoon features two dogs : one sitting on a chair in front of a computer , speaking the caption to a second dog sitting on the floor listening to the first . As of 2011 , the panel was the most reproduced cartoon from The New Yorker , and Steiner has earned over US $ 50 @,@ 000 from its reprinting . 

contradiction
 In 2005 , Wales made 18 changes to his Wikipedia biography . He removed references to Bomis Babes as softcore pornography and erotica , and Larry Sanger as co @-@ founder of Wikipedia . Wales ' actions were publicized by author Rogers Cadenhead , attracting attention from US and UK media . In 2011 , Time listed Wales ' 2005 edits in its " Top 10 Wikipedia Moments " . 

contradiction
 Twitter 's origins lie in a " daylong brainstorming session " held by board members of the podcasting company Odeo . Jack Dorsey , then an undergraduate student at New York University , introduced the idea of an individual using an SMS service to communicate with a small group . The original project code name for the service was twttr , an idea that Williams later ascribed to Noah Glass , inspired by Flickr and the five @-@ character length of American SMS short codes . The decision was also partly due to the fact that domain twitter.com was already in use , and it was six months after the launch of twttr that the crew purchased the domain and changed the name of the service to Twitter . The developers initially considered " 10958 " as a short code , but later changed it to " 40404 " for " ease of use and memorability " . Work on the project started on March 21 , 2006 , when Dorsey published the first Twitter message at 9 : 50 PM Pacific Standard Time ( PST ) : " just setting up my twttr " . Dorsey has explained the origin of the " Twitter " title : 
