You have to protect yourself and think through every post that you put online. The golden rule, say several analysts, is to think about whether you want your mother, your boss (and anypotential future bosses) and your significant other to read what youre about to write. If you dont want any of them to see it, dont post it. Its so important for users to realize that when they post personal details on social networking sites, they have to assume that information could be exposed to everyone with a computer and a screen, Olds added.