Yahoo's sign directs visitors
July 10, 2013 | 4:46 p.m. CDTYahoo's sign directs visitors to Yahoo headquarters in Sunnyvale, Calif. In the era of intense government surveillance and secret court orders, a murky multimillion-dollar market has emerged. Paid for by U.S. tax dollars, but with little public scrutiny, surveillance fees charged in secret by technology and phone companies can vary wildly. While Microsoft, Yahoo and Google won’t say how much they charge, the American Civil Liberties Union found that email records can be turned over for as little as $25.