Public means public
We live in an age where social networking sites allow us to inform large groups of friends, acquaintances, and family members information at the speed of a click of a button. It is not uncommon that individuals will post what they are doing, where they are, and what they think of things or people on these sites. If these posts are public then the world can also see them and if they pertain to active cases then the world might include opposing counsel or prosecutors and maybe even the jury. If you have a social networking site then you want to take steps to: 1) Never post anything related to your active cases; 2) Avail yourself of any and all privacy options that the site will allow; and 3) Keep in mind that perception may sometimes be turned into reality and that your site may not cast you in the best of lights. In this day and age, public is public and is typically fairground in a court of law.
Emailing, posts, and messages: Electronic logging of your activities
If you use social networking sites and communicate with others on their sites then you need to be aware that electronic communication creates a evidentiary log of your communications (even if you think you have deleted it). Never email, post, or message another individual about an active case, particularly if the person is an opposing party of victim of a crime you are accused of allegedly doing. The best way to mount a case against yourself is to give the other side a log of your messages and communications.
What if your social networking account is hacked?
If you have a social networking account and it is hacked and someone begins posting messages to your fellow members then you need to immediately contact the social networking site so that you can report it and fix the issue. This will also create a documented log that someone did indeed hack your account and that you took steps to stop it.