If you use more than one social network -- Facebook, Twitter, YouTube, LinkedIn, Flickr, Google+ and others -- updating your profile picture or bio at once can be a pain. Enter Bliss Control. This web page is a simple one-stop landing page for getting to your social network management settings.

Windows: We've been waiting for multiple profile support in Chrome for a long time, and if you have a copy of the bleeding-edge Canary build, you can try Google's official — and rather polished — built-in profile support now.

Whether you have multiple users or just want different setups for work and play, multiple browser profiles are handy. Instead of going through the trouble to set them up, though, reader cbstryker recommends just using Chrome and Chromium side-by-side instead.

Facebook is altering its profile pages for users, adding more information about your past work and education activities to your main profile and letting you highlight "featured" friends in specific lists (such as family, schoolmates, colleagues or whatever you like).

Windows: Google's Chrome browser doesn't have nearly the same kind of user profile control that Firefox offers. Until it's baked in, we have ChromeDeck, a handy utility that creates, manages and produces shortcuts to multiple Chrome user profiles.

One of the most powerful features in Firefox is one too few people know about: the ability to create and use more than one profile at the same time. Here's how to make yourself more productive with multiple profiles.

Windows: If you want to store your Windows profiles independent from your system drive and standard Windows directories to protect against loss and corruption, Profile Relocator makes short work of moving your profiles directory.

Navigating to the directory where Firefox stores your profile has always been a bit of a pain, but the recent release of Firefox 3.6 makes finding that folder — and from there backing up your bookmarks, extensions or entire profile — a breeze.

Windows only: Free application Google Chrome Backup makes it easy to create, back up, restore, and manage profiles with Google's hot new web browser. If you took a ride on our power user's guide to Google Chrome, you already know that you can create and maintain multiple user profiles with Chrome, but there's no simple graphical user interface by default. The Google Chrome Backup utility fills that gap, and in doing so makes it simple to switch between profiles, add advanced switches to profile shortcuts, and more. Google Chrome Backup is freeware, Windows only, requires .NET 2.0. Firefox lovers, your browser was born with the tools you need to manage multiple Firefox profiles. Google Chrome Backup