Example:
The internet was an amazing invention that changed the world.
The dotcom bubble was just that, a bubble.
Unless you consider google or amazon, but then bitcoin is not a company, bitcoin is the innovation. Another such technology based speculative boom would be railway or telecommunication, but honestly, bitcoin has the potential to add more value to the global economy than railroads or cellphones when the full extent of the inefficency of fiat is considered. Not to mention lost opportunities due to politically motivated embargoes that benefit only a few elite who happen to bankroll some influential governments...