The correct answer is C. Instant messenger.
An instant messenger (IM) is a computer program that allows users to communicate in real time over the Internet. IM programs typically allow users to send text messages, photos, and videos, as well as make voice and video calls. Some IM programs also allow
users to share files and collaborate on documents.A virus is a malicious software program that can replicate itself and spread from one computer to another. Viruses can damage files, steal data, and even take control of a computer.
A blog is a website that contains articles, typically written by one person or a small group of people, and usually updated on a regular basis. Blogs are often used to share news, opinions, and personal experiences.
Email is a system of exchanging digital messages over the Internet. Email is a quick, easy, and convenient way to communicate with people all over the world.