A lollipop chart is a data visualization tool similar to a bar chart but with the shape of a lollipop. It shows data points at the end of a line that attaches to the chart’s baseline. This chart effectively compares values from a small data set where numbers aren’t very far apart. It makes it much easier to understand the differences in these values at a quick glance. These charts are best used when you need something the provides a simple look and wants to highlight the comparability of certain data points. These types of charts are also very good if you want to emphasize a certain data point. This is because you can highlight or change the appearance of each data point to make it stand out more or less. The given example shows different types of devices and how much online data they use. While some data points there are obvious differences. Some with closer values can be hard to distinguish without this chart.