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Investor’s Business Daily – A new study says video game players are surprisingly fit, countering stereotypes that peg them as overweight couch potatoes. Gamers are 10% leaner than the average American, says the study of 7,000 players by Univ. of Southern Calif. researchers. They also exercise 1-2 times a week, more than the average American. But the study also found gamers have a higher rate of mental health problems. They’re 50% more likely to have been diagnosed with depression and have a 20% higher rate of substance addiction.

AP – RealNetworks Inc. said Monday it had temporarily stopped distributing its DVD copying software, RealDVD, at a federal judge’s request in a copyright case brought by Hollywood studios.

Reuters – Online DVD rental company Netflix Inc cut its fourth-quarter outlook, blaming the U.S. economic turmoil for weaker-than-expected subscriber growth in the third quarter and driving its shares down 11 percent.

NewsFactor – The NPD Group, a market-research firm, reports that 30 percent of the U.S. consumers who purchased Apple’s iPhone 3G from its release on July 11 through August switched mobile carriers in order to join AT&T, which holds exclusive U.S. sales rights for the red-hot device.

NewsFactor – The NPD Group, a market-research firm, reports that 30 percent of the U.S. consumers who purchased Apple’s iPhone 3G from its release on July 11 through August switched mobile carriers in order to join AT&T, which holds exclusive U.S. sales rights for the red-hot device.

NewsFactor – The battle over e-readers is heating up rapidly, thanks to new hardware entries from the world’s two leading e-book manufacturers and the surprising popularity of e-book software on Apple’s iPhone and iPod touch. Although the total number of e-books is still well short of a single Steven King press run, the next-generation devices point to a steadily maturing market for digital literature.

AFP – The college roommate who helped Mark Zuckerberg start Facebook is leaving the fast-growing social networking website in a matter of weeks to create a new Internet technology firm.

AP – Real news from the virtual world:

Reuters – German software maker SAP AG warned that its sales had abruptly dropped off in the last two weeks of September as companies cut back on computer-related spending due to the widening financial crisis.

AP – Shares of major Web companies dropped sharply Monday amid a massive market sell-off that sent the Dow skidding below 10,000 for the first time in four years.