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It's no secret that smartphones and tablets are changing the way retailers interact with shoppers. Here are five "thumb shopping" features and apps that experts say could soon reshape the way you buy.

That's what retailers anxious to lure holiday shoppers are hoping to find out with their latest innovation: Walmart, Kmart, Sears and eBay are all testing versions of the "real" online store.

EBay has come a long way since its days as an Internet flea market. Today, 62% of eBay listings are fixed price, not auctions, and 70% are new. But the website's devoted cadre of loyal used item sellers feels like its recently launched "buy it new" campaign is selling them out.

Paying with your phone has long been a desire of shoppers and like many of our desires, Google might have the answer. A new extension released this week from Google makes it possible for shoppers to use their Android mobile phone to make a payment through Google Checkout. The Android Payment Chrome...

Not content with revolutionizing how you search for information online, Google is planning to change how you interact with local shops and restaurants. As part of the company's bid to become more relevant in local search and provide searchers with more means of finding what they want, when they...