Microsoft details Windows 7 memory leaks, hangs, freezes Microsoft has been tracking some odd issues that occur on Windows 7 and Windows Server 2008 R2. These bugs are not typically fixed via Windows Update, because these hotfixes should only be applied to systems that are experiencing specific problems. So if you are not severely affected by either of them, wait for the relevant service packs. Here are the four most prominent issues, listed in order of decreasing severity. Ars Technica

A new Buzz start-up experience based on your feedback We've heard your feedback loud and clear, and since we launched Google Buzz four days ago, we've been working around the clock to address the concerns you've raised. Today, we wanted to let you know about a number of changes we'll be making over the next few days based on all the feedback we've received. Gmail Blog

Justice Dept. defends warrantless cell phone tracking The FBI and other police agencies don't need to obtain a search warrant to learn the locations of Americans' cell phones, the U.S. Department of Justice told a federal appeals court in Philadelphia on Friday. CNET

Average iPhone consumer data usage pegged at five times a BlackBerry Consumer Reports announced this week the results of a study it commissioned assessing the monthly data usage for customers of Apple's iPhone and other smartphones. MacRumors

Rumoured Microsoft Project Pink phone "Turtle" confirmed at FCC Sharp has revealed pictures of the rumoured Microsoft "Project Pink" device 'Turtle' in an FCC filing this week. Neowin

Samsung confirms Chrome-based netbook At a launch yesterday for several new Intel based Samsung notebooks, the head of Samsung IT, Phil Newton, said that Samsung Australia will introduce a Chrome-based netbook into its line-up later this year that will have built-in 3G Wi Fi capability and 12-hour battery life. Channel News