> Yeah, and I bet after Borders shuts down, you'll see Amazon raise book prices sky-high!

There's some truth to that: whenever I bother to check I find that Amazon is no longer price-competitive with brick-and-mortar.

> If Uber tripled prices, a competitor would start up to cut into their market share.

...unless there's no actual profit at anything less than 3x the current prices. Isn't Uber running on a VC subsidy right now?