[samlevine]

> This is of course Amazon’s model, which underpriced competitors in retail and eventually came to control the whole market.

Amazon's model is to be better at ecommerce and logistics than everyone else, including Walmart, which itself gained market share through incredible skill at logistics. They reinvest what would be profits into getting better, and frequently succeed at it.

Most companies don't actually do that once they're mature.

[senderista]

It didn't hurt that they actually poached the key supply chain executives from Walmart.