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.
– EFF: How to Blog Safely (About Work or Anything Else)
This can also apply to your family … if you decide to talk about parents, inlaws, siblings, etc.