Did you know that the United States, Canada, Britain, Australia, and New Zealand participate together in an electronic eavesdropping cooperative called The Five Eyes Alliance"? Or that Britain "has secretly gained access to the network of cables which carry the world's phone calls and internet traffic and has started to process vast streams of sensitive personal information which it is sharing with its American partner, the National Security Agency"? One key innovation has been GCHQ's ability to tap into and store huge volumes of data drawn from fibre-optic cables for up to 30 days so that it can be sifted and analysed. GCHQ and the NSA are consequently able to access and process vast quantities of communications between entirely innocent people, as well as targeted suspects. This includes recordings of phone calls, the content of email messages, entries on Facebook and the history of any internet user's access to websites - all of which is deemed legal, even though the warrant system was supposed to limit interception to a specified range of targets. Say you're the NSA. By law, there are certain sorts of spying you're not lawfully allowed to do on Americans. (And agency rules constraining you too.) But wait. Allied countries have different laws and surveillance rules. Put bluntly, intelligence agencies have an incentive to make themselves complicit in foreign governments spying on their own citizens.