It is a form of real-time Internet text messaging (chat) or synchronous conferencing.
It is mainly designed for group communication in discussion forums, called channels.
They will receive the messages when they next go online even if the user who has sent is offline.
Use nickname for yourself and hide your personal details from strangers.
Children while chatting with their friends or other person may sometimes share their private or personal information like their name, school address, house address, and phone numbers through text messages.
The information which they have shared can be viewed by other people who are in online and some times it may sent to wrong address.
The informal, immediate, and ostensibly anonymous nature of instant messaging makes it a candidate for abuse in the workplace.
Cyber criminals or strangers hide their identity through false name and age.
Instant messaging (IM) is a real time text based communication between two or more people connected over a network like the Internet.