Publishing Your Game to the Windows 8 Store - Releasing HTML5 Games for Windows 8 - page 112

Figure 6-28. Here is a visualiztion of the age and location breakdown of my userbase.
Since this information is optional to peole who register in Windows 8, you will see a group
of users marked as unspecified ( Figure 6-29 ). You can also dig into how long people are
playing your game. This is also compared to the average of other apps in the same category.