Journalists at Bloomberg took advantage of the company’s network of market information terminals to spy on a number of users including Federal Reserve Chairman Ben Bernanke, CNBC reports. Access to terminal data revealed to the employees which functions had been accessed and how frequently by clients including Goldman Sachs. One ex-Bloomberg employee admitted to viewing usage info for Bernanke and former U.S. Treasury Secretary Tim Geithner; one source inside JP Morgan Chase insists accessing the terminal data led to Bloomberg’s London Whale reportage last year. As many as 315,000 use the Bloomberg terminals.

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