Amazon.com doubled its fourth-quarter profit as international sales fueled growth, but the e-tailer’s outlook raised questions about its continued reliance on discounting as it expands into new markets and product categories. The company met analyst expectations for fourth quarter earnings with net profit of $207 million, or 48 cents per share.

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Most of us have been approached — gingerly, aggressively, desultorily — by a sales clerk in a retail store at one time or another as we made our way empty-handed out of the door. What one application — UpSellit, a virtual chat e-marketing and e-commerce application — has done is mimicked that last-ditch save-the-sale intervention […]

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2007 turned out to be “one of the most remarkable years in the history of malware,” according to the recently released “ESET Global Threat Report 2007.” The movement of new digital devices, social networking channels, operating systems and platforms into the mainstream is providing malware creators with a broader canvas on which to work.

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