Thyroid Cancer Symptoms: Swollen Lymph Nodes. Gland swelling commonly refers to enlargement of the lymph glands, also known as lymph nodes. Lymph nodes are small rounded or bean-shaped masses of lymphatic tissue surrounded by a capsule of connective tissue.
DRM includes technologies that control the use, modification, and distribution of copyrighted works, as well as systems within devices that enforce these policies. The term is also sometimes referred to as  copy protection , copy prevention, and copy control, although the correctness of doing so is disputed.ne of the oldest and least complicated DRM protection methods for the computer games is a CD Key. CD Keys are a series of numbers and letters included with copies of the game, usually printed somewhere on the CD or the software package.
1 COPYRIGHT LAW. 2  Copyright law protects the creators of expressive works, such as artists, photographers, writers, and musicians, and gives them the exclusive right to protect how their works are used. 3  It is important to note that, unlike trademark law, copyright law does not protect names or titles. Patent law protects inventions. 2  By filing and obtaining a patent from the United States Patent and Trademark Office, the inventor of a product receives a monopoly on the commercial exploitation and use of a product for up to 20 years.