> All major technological advances have come with economic bubbles, from canals and railroads to the internet.
Is this actually correct? I don't see any evidence for a "airflight bubble" or a "car bubble" or a "loom bubble" at the technologies' invention. Also the "canal bubble" wasn't about the technology, it was about the speculation on a series of big canals but we had been making canals for a long time. More importantly, even if it was correct, there are plenty of bubbles (if not significantly more) around things that didn't have value or tech that didn't matter.
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