- Communication is one of the most essential things in any field these days. Without proper communication you will not be able to reach out to your target audience. There are various ways of communication available these days. The medium of communication is equally necessary. You should always choose you medium very careful so that you can reach your message to the target audience. Internet is the most popular media available these days. Today the world has made a lot of progress with the help of the internet. One of the most important fields is the medical field.