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Yes, that's what happens when you behave like a twit and they throw the book at you. If you have more pinterest in the subject, I suggest you find a scholarly article on the subject and reddit. You may stumbleupon some interesting information that might make for delicious reading. Alternatively, you may not digg it.
Given that TCP/IP was only designed in 1974, that the Internet ("World Wide Web") only took off in the early 1990's, and that very few people can afford to read their mail or surf the 'net on a mainframe, that's not really surprising.
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.
-- 6079 Smith W.
I thought that someone would come up with this, but the fact is that IBM mainframes had security built in that would make most current hacks impossible. I've recently read that some of those security features are now being considered for microprocessors. Sorry, I don't have the details in ready memory right now, but I had to both attend and lecture courses in which those hardware minutia were described in detail.