"We have very little privacy left anyway." That's Mungo MacCallum's response to recent discussions about privacy rights following reported phone hacking scandals. MacCallum writes in a recent ABC feature that Australians hand over a multitude of personal details all the time in the form of tax file numbers, Medicare cards, credit cards and bank accounts. Commercial surveillance cameras and security apparatus mean that "Big Brother is not only watching you and listening to you," but may soon be able to touch people too, MacCallum writes. 
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