Each type of online discussion has particular features and for your own safety, you should consider them carefully before you use them: Nickname [ID, User ID, Handle, Nick etc.] This is the name you use to identify yourself to other discussion members.
Common sense and caution should always prevail but, there are some slight differences to the way chat rooms and Internet Relay Chat (IRC) operate.
:: IM) to send and receive messages and/or files and images, is very similar to using e-mail or SMS messaging and some of the same safety rules apply.
Posting under the name, “Sexy Sue Smith17” is just asking for trouble.
Try to use a non-provocative Nickname like “Blue Bear.” Profiles Some online discussion areas allow you to include a profile, a little extra information about yourself.
You should never give anyone else's number out without asking them if it is OK first because you never know what they are going to use it for once they have it.