then there's Copyright
Copyright insures that the person who created something--whether
a book or a piece of music--is reimbursed for his intellectual
work. If there were no copyright protection, there would be
no economic incentive to create these works.
is a set of legal rights that an author has over his work for a
limited period of time. Copyright covers everything from using images
or sound files from the Web to photocopying.
is protected by copyright. The exception is work that is in the
"public domain," which can be reproduced or used by anyone.
However, you still must credit the author. Some examples of public
of the U.S. Government
laws and other publications of the Federal government, the U.S.
has been waived by the author.
on which the copyright has expired
by William Shakespeare