It's an important in fact most important factor for every industry and individual as in every sector there is a competition which divides the customers and less the business appearance less the business. Digital media is one and only media through which industry or brand can reach to each individual for keep or manage the brand in customers mind into different mediums and portable devices through the internet, its less in cost and particular in reach so nowadays every industry need digital marketing to reach people and do the business globally. level of digital marketing will increase day by day as people are being technical and using technical devices through industries can reach directly to each individual. It's important and useful if someone is going for a digital marketing course.