▪ Anonymity lowers the reliability of Internet communication when accountability provide reliability of using Internet; Anonymity keeps Internet a Cyberspace when accountability makes the Internet a real world. Anonymity saves the user from accountability in bad situations like online criminals but also encourages it; accountability saves customer from online fraudulence but also gives spam producers chances to do their business. It is not easy to determine which place should be anonymity or accountability since in some situations anonymity means unreliable and accountability means no privacy. Here comes a dilemma of Internet.

The quality or state of being anonymous

1: of unknown authorship or origin 
2: not named or identified 
3: lacking individuality, distinction, or recognizability

The quality or state of being accountable; especially : 
an obligation or willingness to accept responsibility or to account for one's actions

1: subject to giving an account : answerable 
2: capable of being accounted for
(Merriam-Webster, 2012)

 search.proquest.com/docview/918306818
 Officials said the move to keep officials' names out of the public eye wouldn't 
 affect the prosecution of the Megaupload.com case,  where prosecutors and agents
 will be identified as needed in court. Since the arrests, though, authorities have 
 noticed an uptick in hacking activity linked to Anonymous. 

[[online.wsj.com/article/SB10001424052970203960804577239774264364692.html?mod=WSJ_hp_LEFTTopStories]]

 [[cnn.com/2012/02/06/tech/social-media/deleted-facebook-photos-online/index.html?hpt=hp_bn6]]

 "Stop the 'Do Not Track' Madness"
 j.mp/wRTbHX
 "It's human nature to want something for nothing. But when it comes to
 web services, this understandable tendency seems to often blossom into
 a veritable psychosis. The unending brouhaha over Internet "Do Not
 Track" controversies is an obvious case in point."