Most of the businesses with negative gross margins from 2007 aren't around, a few managed to become profitable, some failed, and many were acqui-hired.
I think we are just starting to hit the point in the last year or so in which you can really say "bubble" but it could pop tomorrow or in 5 years... there's a famous quote about trying to invest by betting against a bubble that is roughly "The market can stay irrational longer than you can stay solvent"
I think we are just starting to hit the point in the last year or so in which you can really say "bubble" but it could pop tomorrow or in 5 years... there's a famous quote about trying to invest by betting against a bubble that is roughly "The market can stay irrational longer than you can stay solvent"