You can monitor your DemoBox usage by going to "Demos -> Reporting & Usage"
You can then select the from and to dates which will generate a graphical report of your usage, there are 3 types of reports on the same page:
1. Disk Usage Report
2. Uploads Report
3. Uploads by Geo Location
Note - If you are reaching your usage limit and need to clear out some space in your DemoBox, you can go to "Demos -> Demo Tracker" -> open the player on the track that you want to delete, then click the red X to the right-hand side.