About Lesson
Instant Messaging:-
Instant Messaging (IM) is a form of real-time direct text-based communication between two or more people using personal computers or other devices, along with shared clients. More advanced instant messaging software clients also allow enhanced modes of communications, such as live voice or video calling.
It is a type of online chat that offers video calling features such as voice over Internet Protocol (VoIP) and Web conferencing services over the Internet.
There is some important Instant messaging application
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Whatsapp
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Telegram
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Facebook Messenger