10 technologies that should be extinct (but aren't)

These obsolete technologies didn't get the memo--maybe because someone wrote it on a typewriter and faxed it to them

Got an urgent message you need to transmit immediately? Sending a telegram is likely not the first option that comes to mind. And when it's time to boogie down, you probably don't shove a cassette into your 8-track player or slap an LP onto your phonograph.

These technologies served their purpose for a while, then either evolved into cheaper, faster, better forms or simply disappeared. Yet other technologies--such as fax machines, landline phones, and instant cameras--just refuse to die, despite better digital alternatives.

Here are ten technologies that should be dead and buried, yet still cling to life.

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