The dictionary says that Digital marketing is the marketing of products or services using digital technologies, mostly on the Internet but also on cell phones, display ads, and any other digital medium. So, it’s easy, to sum up the task in one sentence, but it can be hard to do it right and make sure that all of your digital marketing is working together and not in separate silos. In reality, this is where the knowledge and experience of the best digital marketing agencies can be very helpful.