AP - Facebook Inc. is introducing more tools to help the software applications fueling the online hangout's popularity and is promising to intensify its efforts to weed out programs that violate its rules for protecting users' privacy.

AP - Amazon.com Inc. doesn't seem to be bothered by high gas prices or the sputtering U.S. economy.

AP - With the market for electronic books still relatively sleepy, Sony Corp. is trying a new tack: untethering the latest model of its e-book reading device from its own online bookstore.

AP - The legal salvos between Nokia Corp. and Qualcomm Inc. stopped months ago, part of what officials at the wireless industry heavyweights described as a truce in a long-running battle that spanned three continents.

CNET - CEO Steve Ballmer's message to Microsoft employees on the departure of senior executive Kevin Johnson and a divisional reorganization. The e-mail was first published by All Things D.

PC World - Attack code has been released for a major flaw in the Internet's DNS software.