This coming holiday season, consumers will have more information about pricing and retailer reputations than ever before. Walk through the aisles of any store and you'll find people zapping barcodes to check prices with their smartphones. A quick search on almost any product will bring up results that include cost, shipping, and taxes from hundreds of competing online retailers.
All of this technology has turned many products into commodities, which is a big problem for retailers. To survive the ...