Introduction Disabling of Functionality Indirect Disabling of Functionality Decreased Playback Quality Elimination of Open-source Hardware Support Elimination of Unified Drivers Problems with Drivers Denial-of-Service via Driver/Device Revocation Decreased System Reliability Increased Hardware Costs Increased Cost due to Requirement to License Unnecessary Third-party IP Unnecessary CPU Resource Consumption Unnecessary Device Resource Consumption How Effective is it Really? Final Thoughts Acknowledgements Sources Use, Modification, and Redistribution Appendices and Footnotes Mini-FAQ Open Questions Microsoft's Response About the Author Glossary Quotes Footnotes