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Most forms of property are concrete and tangible, such as houses, cars, furniture, or anything else that is included in one's possessions. Other forms of property can be intangible, and copyright deals with intangible forms of property. Copyright is a legal protection extended to authors of creative works, for example, books, magazine articles, maps, films, plays, television shows, software, paintings, photographs, music, choreography in dance, and all other forms of intellectual or artistic property.      Although the purpose of artistic property is usually public use and enjoyment, copyright establishes the ownership of the creator. When a person buys a copyrighted magazine, it be­longs to this individual as a tangible object. However, the authors of the magazine articles own the research and the writing that went into creating the articles. The right to make and sell or give away copies of books or articles belongs to the authors, publishers, or other individuals or organizations that hold the copyright. To copy an entire book or a part of it, per­mission must be received from the copyright owner, who will most likely expect to be paid. Copyright law distinguishes between different types of intellectual property. Music may be played by anyone after it is published. However, if it is performed for profit, the perform­ers need to pay a fee, called a royalty. A similar principle applies to performances of songs and plays. On the other hand, names, ideas, and book titles are excepted. Ideas do not be­come copyrighted property until they are published in a book, a painting, or a musical work. Almost all artistic work created before the 20th century is not copyrighted because it was created before the copyright law was passed.The two common ways of infringing upon the copyright are plagiarism and piracy. Pla­giarizing the work of another person means passing it off as one's own. The word plagiarism is derived from the Latin plagiarus, which means "abductor."  Piracy may be an act of one per­son but, in many cases, it is a joint effort of several people  who reproduce copyrighted mate­rial and sell it for profit without paying royalties to the creator. Technological innovations have made piracy easy, and anyone can duplicate a motion picture on videotape, a computer program, or a book. Video cassette recorders can be used by practically anyone to copy mov­ies and television programs, and copying software has become almost as easy as copying a book. Large companies zealously monitor their copyrights for slogans, advertisements, and brand names, protected by a trademark. 

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