[SIGCIS-Members] Telegram service ending soon - have any other info technologies actually died?

[Dag Spicer]

The horse-drawn Zeppelin?

Dag


On Jun 18, 2013, at 10:44 AM, rduarte wrote:

> Thanks for the article.
> 
>> So, can anyone come up with another information technology that has definitively and verifiably vanished completely from use? Specific products don’t count.
> 
> Maybe http://en.wikipedia.org/wiki/Heliograph
> 
> Rob
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Dag Spicer
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Computer History Museum

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