Reddit removed a notice, known as a warrant canary, from its transparency report for 2015, suggesting it may have received a secret national security order for user data. The most controversial of the orders is the National Security Letter, which gives the government the authority to compel the production of customer records held by telephone companies, Internet service providers and other electronic communications service providers. Reddit CEO Steve Huffman, who goes by the handle spez on the site, said he had been advised not to say anything one way or the other””]