It doesn't feel like a tech bubble really. The recent crop of unicorns may not be as successful as FB/Google but besides theranos they're making good money. Most are busy burning free cash so there might be layoffs when/if that runs out. But these aren't the vaporware companies of the 99 bubble, they all make a lot of money.

Except magic leap...

Cryptocurrency sure as hell feels like a bubble. My friends grandma was asking him how to invest over Christmas....