I have updated the GiantSteps DRM and Content Protection Reference Table that I have been maintaining for the past three years. This version updates the previous version from April 2010. The update includes updated information on over three dozen DRM, conditional access, and other content protection technologies, as well as an expanded section on independent protection technologies for PC games and software.
You can get a copy of the table in PDF (4 x 2 page layout) for free here (scroll down to the form and choose “DRM and Content Protection Reference Table (PDF)” from the dropdown menu). Or, if you would like the unprotected Excel spreadsheet, the cost is USD 300 (PayPal accepted), click here to order.