Overall, though, Lumia sales across the product line pale in comparison to, say, the iPhone 4S, whose first day of preorder salesequaled analyst estimates of Lumia handsets in their first two monthson the market.

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Sixty percent indicated they were using on-line shopping and price comparison applications to find them.

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Music critic Greil Marcus once likened The Mendoza Line to an American-made Mekons, but it appears that the comparison doesn't apply to the bands' respective ability to survive breakups and line-up shifts over time.

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Blurring the line between in-store price comparison shopping and stay at home shopping via the Internet, IBM (IBM) reported the number of consumers using their mobile device to make a purchase on Black Friday this year increased by nearly two-thirds from 2011.

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Encouraged by price matching guarantees and free delivery offers this Holiday season, I believe more shopping will swing to on-line venues as consumers engage in intensive comparison shopping before buying.

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But even these pale in comparison with General Motors's plans for next year's Cadillac line: a night-vision system.

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You can minimize the cost of things that eat away at your bottom line by registering for membership sites and rewards programs, applying discount codes, comparison shopping, and simply watching your spending.

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