Blogs are like personal telephone calls crossed with newspapers. They're the perfect tool for sharing your favorite chocolate mousse recipe with friends--or for upholding the basic tenets of democracy by letting the public know that a corrupt government official has been paying off your boss.

If you blog, there are no guarantees you'll attract a readership of thousands. But at least a few readers will find your blog, and they may be the people you'd least want or expect. These include potential or current employers, coworkers, and professional colleagues; your neighbors; your spouse or partner; your family; and anyone else curious enough to type your name, email address or screen name into Google or Feedster and click a few links.

The point is that anyone can eventually find your blog if your real identity is tied to it in some way. And there may be consequences. Family members may be shocked or upset when they read your uncensored thoughts. A potential boss may think twice about hiring you. But these concerns shouldn't stop you from writing. Instead, they should inspire you to keep your blog private, or accessible only to certain trusted people.

Here we offer a few simple precautions to help you maintain control of your personal privacy so that you can express yourself without facing unjust retaliation. If followed correctly, these protections can save you from embarrassment or just plain weirdness in front of your friends and coworkers.