In the 1970s, phone phreaks, a new sort of hacker, appeared. They used various methods, collectively called ____________________, to access telephone networks to make free calls from payphones.

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The Answer of In the 1970s, phone phreaks, a new sort of hacker, appeared. They used various methods, collectively called ____________________, to access telephone networks to make free calls from payphones.

In the 1970s, Phone Phreaks, a New Sort of Hacker