what are some historical examples of bubbles that didn't pop?
Since this is HN, I'll go with the most obvious: Software development. Unsustainable, speculative growth through the COVID-19 period, but on the other side relatively slow decline.
alt Hacker News
Since this is HN, I'll go with the most obvious: Software development. Unsustainable, speculative growth through the COVID-19 period, but on the other side relatively slow decline.