Some very quick Googling came up with ominous signs of the tech bubble bursting (in 2011): https://www.nytimes.com/2011/06/20/technology/20cashout.html https://

Some very quick Googling came up with ominous signs of the tech bubble bursting (in 2011): https://www.nytimes.com/2011/06/20/technology/20cashout.html https://www.nytimes.com/2011/06/20/technology/20cashout.html “We are not sure that the valuations we are seeing are sustainable in the long term” Also 2015: https://www.inc.com/magazine/201509/jeff-bercovici/are-we-in-a-tech-bubble.html https://www.inc.com/magazine/201509/jeff-bercovici/are-we-in... "Private valuations have become disconnected from public reality" If you bought Amazon when it was valued at $50 billion, you would have (small) profits even if you bought 20 WeWorks at $50 billion as well. If you could bring it down to 10 WeWorks per Amazon you'd make enormous returns. Not sure I'd want to hand over my non-existent fortune to Masayoshi Son, but I wouldn't blame someone who did.