That's the operative phrase: "used to be".

Amazon is now general merchandising, though focused on information (printed/electronic) products.

Wal-Mart's biggest current competitor is Amazon. There's a large initiative at Wal-Mart to develop an R&D lab near San Francisco: http://www.baycitizen.org/technology/story/inside-walmart-la...

Good luck matching Amazon's culture with that mandatory drug test requirement.