20 tech sounds the next generation won't know

As technology evolves, so do the sounds that go with it -- and many of the dings, beeps, and hisses burned into our brains will hold no emotional connection to the teens of tomorrow.

Just think: The screeching music of an old-school modem, embedded below, means nothing to most kids today.

I assembled a collection of 20 iconic tech sounds that are bound for extinction. Click through, listen, and see how many of them you remember:

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