Microsoft has collaborated closely with US intelligence services to allow users' communications to be intercepted, including helping the National Security Agency to circumvent the company's own encryption, according to top-secret documents obtained by the Guardian.
The files provided by Edward Snowden illustrate the scale of co-operation between Silicon Valley and the intelligence agencies over the last three years.
Duck Duck Go Go has seen its traffic dramatically increased as a result of Snowden's revelations. Will open source operating systems see a similar increase? Could Richard Stallman be right (obnoxious, but right)? That living in freedom means using free software?