Lifehacker is a popular blog that dedicates its substantial energies to "tips, tricks, and downloads for getting things done." New readers may want to start by perusing the Lifehacker Index, which can be found on the About page. Here they will find six orienting sections, including Lifehacker 101, How to Find Any Post on Lifehacker, Popular Categories, Recurring Features, Lifehacker Sub-Blogs, and...