article_snippet: The findings contradict Facebook founder Mark Zuckerberg's claims in 2010 that the age of privacy is over - and no longer a 'social norm'.
article_snippet: Facebook founder Mark Zuckerberg claimed people had become more comfortable with sharing private information online .
article_snippet: Ms Frost, told The Sunday Times that Facebook founder Mark Zuckerberg estimates a third of Twitter users have a private account, only shared with close friends, as well as a public persona.
article_snippet: Facebook founder Mark Zuckerberg had many used several fake identities for things like video gaming, while closely guarding accounts made using their real names.
article_snippet: Mr Strong views are in stark contrast to those of Mr Zuckerberg, the chief executive of the world's biggest social network.
highlights_snippet: Contradicts Facebook founder Mark Zuckerberg's claim in 2010 that people have become more comfortable with posting private information online .