Fancy tie-tying, Wi-Fi password cracking, Google Voice, and Firefox 3.5 round out this week's most popular posts.

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- Dress Up Your Ties with the "Merovingian Knot"
The realm of dress tie knots is dominated by a handful of traditional tie knots. Check out this rather unique tie knot and be the first on your block to sport it. - How to Crack a Wi-Fi Network's WEP Password with BackTrack
You already know that if you want to lock down your Wi-Fi network, you should opt for WPA encryption because WEP is easy to crack. But did you know how easy? - Google Voice Is Cool, But Do You Need It?
You've read about the features, you saw the invites going out, but you might be wondering what, exactly, Google Voice could do for you. Here's our guide for the curious and uninvited on whether your phones need some Google juice. - Firefox 3.5 Officially Available for Download
Windows/Mac/Linux: The final version of the Firefox is starting to show up on Mozilla's web site, and some readers are reporting update notices. Here are a few links and how-tos you should check out before downloading that browser. - Top 10 Firefox 3.5 Features
Firefox 3.5 is a pretty substantial update to the popular open-source browser, and it's just around the corner. See what features, fixes, and clever new tools are worth getting excited about in the next big release. - Top 10 Productivity Basics Explained
There's a core set of habits and techniques that filter and color a lot of what we write about at Lifehacker, but we rarely step back to explain them for newcomers. - Five Best Free System Restore Tools
Backing up data is a great way to minimize losses after a computing catastrophe. But what about restoring your actual system right away? Here are the five most popular options for our readers. - Soaking is Key for Perfect Homemade French Fries
You don't need to install a deep fat fryer in your kitchen or apprentice at a burger stand to get homemade French fries worthy of great praise. The key is soaking your sliced potatoes and using the right oil. - Best of the Best: Hive Five Winners, March through June 2009
The year is flying by, and so are our readers' picks for software, hardware, and other tools. Come on in to see the winners of our Hive Five polls for the second quarter of 2009. - 3G Speeds Tested & Compared, City by City
As wireless users know all too well, not all 3G networks are created equal. PC World recently put Verizon, Sprint, and AT&T to a multi-city test to determine which best delivers speed and reliability. - Is The Desktop PC Dead?
Desktop sales fell by 23 percent last year across the computer industry. In the U.S., 80 percent of sales went to notebooks. Gizmodo declares the desktop dead, but we're wondering if you see a future for non-mobile systems.