�metadata” — the who, where, when and how of a communication, but not its content — for two years so security and law enforcement agencies can access it without warrant. Few would argue against the use of such material to catch criminals or terrorists. But, as Parliament’s Joint Committee on Intelligence and Security has pointed out, it would also be used “for the purpose of determining the identity of a journalist’s sources”.</p>
            <p>And that should ring warning bells for anyone ge