本周，我们通过DIY**模块和配件帮助您省钱，调整了Windows7，并使您的数字音乐库成形。

约翰拉尔森摄。

• Top 10 DIY Cellphone Mods and Accessories Cellphones these days are expensive enough without dropping wads of cash on accessories and unnecessary apps. These ten DIY cellphone mods and accessories solve common cellphone problems, add useful features to your phone, and are just plain cool.
• Five Best Windows 7 Tweaking Applicati*** Windows 7 has been well received both critically and on the street. And while Lifehacker readers love Windows 7, a well-built OS isn't a perfect OS. Check out these five applicati*** that tweak Windows 7 and customize it to your heart's content.
• How to Use Gmail's Attractive New Tablet-Friendly Interface on Your Regular Old Computer Google just rolled out an excellent new two-pane Gmail interface for tablets like the iPad, and whether or not you're buying one, it's a cool big-screen version of Gmail some people may want to use on their desktops. Here's how you can.
• Start to Finish Guide to Whipping Your Music's Metadata into Shape Most of us have spent years building up our digital music libraries, along with t*** of missing, mi**atched, and incorrect tags on your music over that time. Here's a step-by-step guide for organizing your entire library, once and for all.
• The Best Things to Buy in April The practical jokes are over, the iPad is out—so what else is notable about April? If you're looking to save money, quite a few things are cheaper this month. Here's our list of April's discounted and off-season savings.
• How to Automatically Clean and Organize Your Desktop, Downloads, and Other Folders Chances are your computer's desktop and other folders aren't cluttered because you like it that way, but because you don't want to spend time organizing every file that hits your hard drive. Automate your file organization and stay clutter-free without the effort.
• The Best Design Tools for Improving Your Home Wandering around Home Depot until inspiration strikes is a terrible idea. If you've got a loose idea for a redesign, re-arrangement, or physical improvement to your house, apartment, or even a dorm room, we recommend these computer planning tools for the job.
• Hone Your Eye for Fake Online Reviews Hone Your Eye for Fake Online ReviewsHone Your Eye for Fake Online ReviewsOnline reviews have changed the way we shop, and mostly for the better. We're certainly more informed c***umers, but online reviews aren't always trustworthy. Savvy c***umer blog C***umerist offers a few tips for spotting fake online reviews.
• From the Tips Box: USB Cables, SD Card Labels, and Shower Cap Uses Readers offer their best tips for squeezing USB cables into tight places, labeling SD cards, and clever kitchen uses for shower caps.
• How to Analyze, Clean Out, and Free Space on Your Hard Drive Hard drive space is cheaper than ever, but as Parkinson's Law dictates, your data (and, let's face it, BitTorrent addiction) somehow expands to fill your space available for storage. Here's a few simple but effective ways to clean out your hard drive.