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Filter Amazon's Deep-Discount Feed to Find the Deals you Want
Posted by Kevin Purdy at 11:09 PM on July 2, 2008
The Simple Dollar personal finance blog posts a great idea for anyone looking for a deal on a particular item or group of goods who doesn't want to be tempted by other deep discounts at a place like Amazon's Gold Box section. Using an RSS-filtering tool like Feed Sifter (or any keyword-search tool, like Feed Rinse), you can get pinged only when the specific item you really can buy shows up at an affordable price. For local deals, try setting up Craigslist feeds using boolean operators.

Windows Vista's built-in speech recognition tools are seriously powerful and convenient, as Adam demonstrated by
Jailbroken iPhones/iPod touches only: Agile Messenger isn't the only multi-client app available for the iPhone, but it makes mobile messaging seriously convenient, and it's pretty slick-looking, to boot. Agile supports the AIM, GoogleTalk, MSN, Yahoo, ICQ, and Jabber protocols, can run in the background and update its home screen badge for messages, and places your multiple conversations easily-navigable tabs. What's really intriguing is its copy/paste function—simply select some text with your finger, click to copy it, then paste it into your text field. The app also makes sending pics from your iPhone camera a one-click process. Agile Messenger is a free download (at least while in beta), available through the Installer program on a 




Weblog Third Error suggests a clever use for your Windows Active Desktop: Embed your Remember the Milk to-do list on your wallpaper. In all it's pretty standard use of the oft-disregarded Active Desktop, but the main trick is that you subscribe to the
Windows only: Freeware application Click&Clean works in conjunction with
Windows Vista tip: If you've been missing the Up navigation button in Windows Explorer since you upgraded to Vista, the functionality is still there—it's just hidden behind an Alt-up keyboard shortcut. Now when you want to move to the parent folder of the folder you're currently browsing inside, just hold Alt and tap the up arrow. We're assuming Windows decided to drop the Up functionality in Vista because in most cases, the Back arrow (or Backspace) will suffice, but if you've jumped to different folders in the sidebar or you started browsing your filesystem below the root, the Back button just doesn't do the trick. Luckily Alt-up is a simple, intuitive shortcut alternative. Thanks Chuma!
Firefox only (Windows/Mac/Linux): Firefox extension RAMBack manually frees up memory from Firefox to keep your favourite web browser running light. Once installed, RAMBack adds a Clear Caches entry to Firefox's Tools menu. When clicked, RAMBack clears the memory cache of sites that aren't in use (like tabs that you've closed). After playing around with it for a bit this morning while keeping my eye on the memory usage in the Windows Task Manager, RAMBack certainly does appear to free up RAM. The smallest drop I saw was around 10MB, while the largest was somewhere over 40MB. RAMBack is free, works wherever Firefox does. If you give it a try, let's hear how RAMBack works for you in the comments.
Dear Lifehacker,
Sure you can waste a whole lot of time hearing about what your friends ate for lunch on micro-blogging service
Windows XP/Vista only: SteadyState, a free Windows utility offered by Microsoft, is a handy tool to have if you've got kids, friends, or just a program or two that could possibly wreak havoc on your system. SteadyState basically creates new user profiles inside a disk section kept at arm's length from your actual system, and can go a step further by locking down access to drives, putting tight restrictions on a user's configuration access, and have the main user's hard disk restored to its previous state whenever an interloper logs on and does their misdeeds. As commenter JBDaddy pointed out, it's a great way to kid-proof your computer—but you can also try out potentially crash-prone or system-changing apps in a virtual blast container. SteadyState is a free download for Windows XP and Vista; it requires a Windows Genuine validation before downloading.