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Once upon a time, edge-of-net- work devices – also known as telephones – belonged to tele- phone companies, and life was simple. In 1968, the FCC opened up telephone networks to user-owned devices, paving the way for a new era of faxes, modems, answering machines and high-tech phones. Life was still simple, at least for phone companies, because subscribers were responsible for their own devices.
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