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.
U.S. copyright protects original creative work once it is fixed in some tangible form, regardless of whether it is published. Creators, or authors, of the work, enjoy the exclusive right to duplicate, distribute, display and perform their work, as well as create derivative works based on the original.