Earlier quoted context omitted.
I have a hard time with the idea that SpaceX sits somewhere around $12B and Tesla around $50B (with most people arguing even that is absurd). So to value Priceline at $100B is insanity.
Priceline has generated $7 billion in net income the prior three fiscal years combined. They may be overvalued, however they blatantly are providing an extremely valuable service. And if it were easy to replace or compete with (ie something of low actual value), the airlines etc would have already cut out Priceline and would keep the $2+ billion in annual profit for themselves (they've tried and failed repeatedly to…
But then again PE on stocks seem to have been getting higher and higher in this latest tech boom (bubble?).