Facebook founder Mark Zuckerberg has said he has called President Barack Obama to "express frustration" over US digital surveillance. The 29-year-old said in a blog post the US government "should be the champion for the internet, not a threat".
His comments come a day after a report the US National Security Agency (NSA) imitated a Facebook server to infect surveillance targets' computers. The NSA said the report was "inaccurate".
Mr Zuckerberg said in September that the US "blew it" on internet spying. The tech founder wrote on Thursday "it seems like it will take a very long time for true full reform". (BBC NEWS 2014/3/14)
