ACe

Arbitrage lets you determine price. Opportunity cost to finding information is an implicit value

Economists would say that it does

Amazon – used bookstores don’t exist anymore, lets you compare new or used books..

here are great article reads:

eBay and the Brain: What Psychology Teaches Us about the Economic Downturn

Online Garage Sale: Craigslist vs. Amazon vs. Ebay

Q408 In-depth Analysis – eBay vs. Amazon – The Giants of Ecommerce Duke it out

eBay [...]

Mexico…

US own production..

Not the Middle East..