2009年对Lifehacker来说是重要的一年，我们花了12月份回顾了今年最受欢迎的帖子，涵盖了我们最喜欢的话题。这里是一个快速回顾2009年最好的情况，以防你错过了什么。

• Most Popular DIY Projects of 2009 We love DIY projects here at Lifehacker. Whether we're building computers, backyard projects, or turning office supplies into artillery, we're always tinkering. Here's a peek at the most popular DIY projects of 2009.
• Most Popular Free Windows Downloads of 2009 We've featured hundreds of free Windows applicati*** over the course of 2009 that we hoped might bolster your productivity, workflow, or your PC usefulness in one form or another.
• Most Popular Featured Workspaces of 2009 Every week we bring you fresh workspaces from the Lifehacker Workspace Show and Tell pool, all supplied by you—the awesome Lifehacker readership. Today we're highlighting the 25 most popular workspaces of 2009.
• Most Popular Photography Hacks of 2009 Whether making your own lens hood to create custom bokeh, breathing like a sniper to get a blur-free photo, or angling your body to look the best in pictures, we shared some great photography hacks in '09.
• Most Popular Free Mac Downloads of 2009 Nothing beats finding just the right application to fill a common need, fix a problem, or boost your productivity. Treat yourself with 15 of the most popular Mac downloads of 2009.
• Most Popular Top 10s of 2009 Every weekend, we comb our memories and archives to compile 10 useful items addressing a specific topic you may have forgotten about, or just happen to be excellent. These 20 list(icle)s proved most popular in 2009.
• Most Popular Featured Desktops of 2009 Our readers have submitted thousands of screenshots of their best desktop configurati***, and over the year we've featured some truly impressive and unique desktops with you.
• Most Popular Repurposing Tricks of 2009 We're huge fans of repurposing here at Lifehacker—squeezing extra and usually clever uses out of every day objects.
• Most Popular Free iPhone Apps (and Posts) of 2009 The iPhone is the most popular cellphone in the country, and with good reason. Despite occasionally awful choices by Apple, it still has the most—and best—applicati*** around.
• Most Popular How-To Features of 2009 We cover a lot of tips every day on Lifehacker, but we get our greatest pleasure from putting together in-depth, step-by-step guides.
• Most Popular Firefox Extensi*** and Themes of 2009 This year's release of Firefox 3.5 gave us a lot of reas*** to like it, but its extensibility remains everyone's favorite feature.
• Most Popular Linux Posts of 2009 A new browser, two new Ubuntu releases, and more than one new netbook OS—2009 was a big year for open-source software.

我们所有人在团队生活黑客祝您和您的家人有一个安全，快乐，和富有成效的新年！