"Digital Marketing" is one of those terms with which we all have a feeling that we know what is means, but when it comes to nailing it down we somehow get stuck. In the end, it is not clear which types of digital marketing we are talking about.
So instead of going for something soft like "it is related to internet marketing" or "a summarizing term for all online marketing activities" lets put it simply, and break it down into 10 categories.
