But without analogue computers, we would never have had operations amplifiers. And then whilst the logic for your phone might fit on a pinhead, you would need to carry the audio processing sections around in a suitcase.
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Well, with the whole miniaturization thing, we would have eventually had amps on a chip anyhow. I recall when stereos were pieces of furniture. Big pieces. And TVs smaller than we have now used to weigh more than the bigger ones we have now. 
Humans are an ambitious race. I hope we remain that way.
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I used to carry one of those suitcase phones into the County Courthouse every day. Memories I hope never to relive. 
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Well, I will diverge from the crowd and state this, not only did the huge speakers sound better, (mine were about 3 feet tall) so did the bag phone (which was my first cell phone) I miss them both 
So, I wonder if the replacement for the Atlas was much smaller? I would think so…
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Which brings up the age-old question, “How many Atlases fit on the head of a pin?”
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