Maybe you don't totally understand RSS feeds, want to pimp out your Firefox toolbar, or want to be a better social bookmarker. Whatever online skill you're looking to improve upon, there is something for you below.
Lifehacker's "Most Popular Top 10 Lists of 2008" lets you find this how-to blog's best content of the year in one place, including, "Top 10 Things You Forgot Your Mac Can Do" and "Top 10 Firefox 3 Features."
Our Web Guide, "Web Technology: A Primer," features dozens of high-quality Web sites that will help you understand RSS feeds, podcasts, aggregators, media players, online file-sharing and much more.
InfoPirate's "Top 50+ Social Networking Firefox Add-ons" will clue you in to fun tools that you can add to Firefox's toolbar, making it easier to connect with friends, check your e-mail, bookmark favorite links and sync your browser's bookmarks with those you save on sites like Del.icio.us.
PC World's "16 E-Mail and Instant Messaging Boosters" features software and add-ons for mail clients that can help you better manage tasks, create filters, get rid of junk mail and organize all your messages more effectively.
Lifeclever's "How to organize your cluttered desktop and regain your sanity" has a simple philosophy for cleaning up all those files, no matter what operating system you use. The secret: a series of folders with action-specific names.
MakeUseOf has dozens of great posts that can help you improve your computer's performance, remove unwanted browser features, find hidden functionality in your favorite programs and Web tools, and more. Be sure to bookmark this site.
For general how-tos, offline and on, ReadWriteWeb has a post called "A Big List of Sites That Teach You How To Do Stuff." Here you'll find sites like eHow, Expert Village, TrickLife, SuTree, and explanations of the types of skills these sites specialize in.