John Lindsay, chief technology officer: "I would also note that that data is a very tasty prize and that the approaches from commercial organisations to gain access to that data stream are very lucrative."

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Matthew Healy, national executive, industry and policy: "The easiest example [of what data we keep] would be a mobile phone record where we keep the details of the number that was called, who was called and [what] the duration of the call [was]. That is billing information. That is how we bill. We would keep that for more than two years and, in some circumstances, over seven years."

Christopher Zull, senior manager, industry and policy: "The government has had a convergence review. We are still looking at the blurring lines between telecommunications and broadcasting and other forms of digital interaction. We think it is just an arbitrary way of carving that out."