Follow the Xbox Sales History FB page for regular updates regarding this list and its interpretation: www.facebook.com/esoxboxsales
This list is also available as a free app on the Android market. Both the website and the app are automatically updated simultaneously from the same database.
For a thorough explanation of how this database works, please refer to the About Page.
Any questions, suggestions, feedback or otherwise feel free to contact at: firstname.lastname@example.org