The Watson Analytics for Social Media author interests visualization allows you to look a bit closer at the interest of the content authors. The visualization starts with the number of authors broken down by our topics, as shown in the following screenshot:

You can then drilldown two levels of detail here; by clicking on the context menu, you can filter the topics:

In our project, the preceding visualization shows the interest of the author Amazon customer service, categorized by various interests. We have selected only Art and Entertainment and Other Interests. Perhaps we want to drilldown further? What is Other Interests referring to? We can drilldown on this by right-clicking on the Other Interest button and then selecting the Go down button; then, you can see categories such as the Games and Shopping checkboxes: