In the 1960s, a kid playing with a toy whistle from a Cap’n Crunch cereal made an odd discovery. The whistle produced a 2600-hertz tone, the same sound used by AT&T to control its phone network. That unlocked a loophole in the system, allowing them to hack into AT&T and get free long distance calls.
In the 1960s, a kid playing with a toy whistle from a Cap’n Crunch cereal made an odd discovery. The whistle produced a 2600-hertz tone, the same sound used by AT&T to control its phone network. That unlocked a loophole in the system, allowing them to hack into AT&T and get free long distance calls.
