Instant Messagingفوری پیغام رسانی
Instant messaging (IM) is a real-time, text-based form of communication that allows people to communicate with one another over the […]
Instant messaging (IM) is a real-time, text-based form of communication that allows people to communicate with one another over the […]
“Chat with a Librarian” is a service offered by some libraries that allows users to ask questions and get help