Because it's not your original work.
well it takes alot of money to copyright. it also depends on where you copyright what ever it is you are copyrighting.
For photographs, in most cases, you cant - you must assume that the image carries a copyright. Learn more at www.USPTO.gov
The movie probably has copyright in it. Youtube doesn't allow copyright.
You cant because is called copyright
a person can sue for the rights of the copy right back and if the person made money off the copyright sue for the money that has been obtained
It depends on your relationship with it. If copyright is the way you make money to feed yourself, it's pretty darn important.
A business holding a copyright on something can prevent others from abusing it, and make money by licensing its use.
Copyright claim by Channel 7 in Australia
Because if you upload them you may get in trouble for copyright
It isn't necessary to formally register a copyright in order for a work to be protected. Copyright is instantaneous as soon as a work of sufficient originality is fixed in a tangible medium perceptible to human eye or with the aid of a machine.
To promote the advancement of science and the useful arts.Another AnswerTo protect inventions, products and intellectual property rights, so that when their use generates money, the money is paid to the copyright owner.
If you buy songs legally from the LimeWire store then it will cost money. If you are caught downloading songs illegally without paying for them then it could cost you a lot of money. To quote LimeWire: What Happens If I Commit Copyright Infringement? Your activities on peer-to-peer networks such as LimeWire may be monitored by copyright owners. Violation of copyright laws may subject one to substantial money damages. Copyright owners have sued thousands of people for infringement of copyright over peer-to-peer networks. (See links below)