Man I love getting into arguments >-). All the text files you have are probably outdated and the only recent ones I have seen just show how to do tricks you can do almost everywhere (eg. biege boxing) and how to get phone box numbers. I have never seen one on the how to get free calls(I said free calls, hope this topic doesn't get closed because of it) from payphones. I apologies if you have a source on how to do it. As for being able to blue box in England I have a friend that lives there and he says you can't but he's known to say stupid things sometimes or maybe you can only do it in certain areas.
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Computer games do not affect kids, i mean, if Pacman affected us, we'd all be running around in dark rooms, eating magic pills, and listening to repetitive electronic music...