从电池中获取更多信息，在意外丢失重要文件时恢复数据，顺利升级到Windows7RC等等。

• Top 10 Battery Hacks, Tips, And Tricks The gadgets you love don't always love you back-at least when it comes to battery life. But you can get more from your laptop, your iPod, your phone, and other devices with these 10 techniques.
• Five Best Free Data Recovery Tools The best way to recover from unexpected data loss is to be properly prepared. With one of the following tools on hand, you'll always be ready to save your data from the Reaper.
• Lifehacker's Guide to Upgrading to Windows 7 RC Whether you want to set up a dual-boot system, you're ready to migrate all the way to Windows 7 RC from XP, or something in between, here's what you need to know.
• What's New in the Windows 7 Release Candidate Windows 7's Release Candidate is free and available for download, but what's all that different from the beta version? Quite a bit, it turns out, and we've got the screenshots to prove it.
• Windows 7 RC Available for Download Now The official Windows 7 Release Candidate is now available for all users through Microsoft's Customer Preview program.
• How to Dual Boot Windows 7 with XP or Vista If you're dying to try out Windows 7 but aren't ready to give up your installation of XP or Vista, let's take a look at how to dual boot Windows 7 with XP or Vista.
• Six Easy Ways to Graph Your Life Your habits, behaviors, and the things you c***ume every day create patterns over time that say a whole lot about you as a person. It's time to graph your life.
• Sit Up Straight; the Auto-Ban is Here Our commenters are some of the best on the 'net, and we love each and everyone of you, but sometimes you can be a real pain. Starting today, we're polishing our banhammer and getting strict.
• Are You Planning to Download Windows 7 RC? The first (and potentially only) Windows 7 Release Candidate drops to the world at large tomorrow, and we're wondering: Are You Going to Download the Windows 7 Release Candidate?
• Remains of the Day: In Like an XP, Out Like a Vista Edition Windows Vista gets an expiration date, a $9 Ikea shoe rack makes for an excellent zen laptop desk, and you install Windows 7 in a virtual machine in OS X.
• Growl for Windows Adds Mac-Style Notificati*** Windows only: System notification tool Growl for Windows is a slick, customizable, universal alert system for your applicati***-so you don't have to be jealous of your Mac friends anymore.

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