If it seems like seeing people vape on devices that look like USB flash drives came seemingly out of nowhere, you’re absolutely right.

It’s the ubiquity of the e-cigarette, known as the Juul, that has led its manufacturer to achieve a milestone faster than any other startup in history – including Facebook.

With its latest fundraising round first reported by Bloomberg this summer, Juul Labs crossed the decacorn threshold (a valuation of over $10 billion) by earning a $15 billion valuation just seven months after its first VC round. [...]