The correct answer is: B. Communication.
Instant messaging (IM) is a text-based communication medium that allows users to communicate in real time. It is a type of synchronous communication, which means that both parties are online and able to communicate at the same time. IM is often used for personal conversations, but it can also be used for business purposes.
There are many different IM services available, including WhatsApp, Facebook Messenger, and Skype. These services allow users to send text messages, photos, and videos to each other. They also allow users to make voice and video calls.
IM is a convenient way to stay in touch with friends and family. It is also a useful tool for businesses, as it allows employees to communicate with each other quickly and easily.
Here is a brief explanation of each option:
- A. Web services are a way for software applications to communicate with each other over the Internet. They are often used to provide data or functionality to other applications.
- C. The World Wide Web is a system of interlinked hypertext documents accessed via the Internet. It is the most common way to access information on the Internet.
- D. Information retrieval is the process of finding information from a collection of documents. It is often used to find information on the Internet.