Make an agreement, generally in writing, which spells out exactly what you're allowing them to do.
Websites are protected by copyright, so you would need permission from the copyright holder or an exemption in the law to use someone else's web content.
That phrase could mean several things. It could refer to a letter that is protected by copyright, or a letter allowing use of someone's copyright (i.e., a license).
Ask them in writing, and be specific about your proposed use.
No. Unless a "fair use" exception applies use of someone elses copyrighted property without permisson is the definition of copyright infringement.
Certain things on the Internet are copyright. This is because it is someone work/ creation and is therefore illegal to use this persons work with out acknowledgement of the creator. Anything which says copyright ( such as artists songs) are copyright.
No. It is illegal to use someone's images from Photobucket or from anywhere (either digital or not) without written permission from whoever owns the copyright to that image. It is usually, but not always, the photographer who took the image that retains the copyright.
All legal recordings of "Let's Chill" are protected by copyright.
It might be because of copyright violations. The image might be subject to copyright. You have to use your image only as the profile picture.
No, it is not safe or legal to let someone else use your credit card.
They're not the same. Copyright is the ability of the owner of the rights in a work to prohibit certain uses of a work. Fair use is the ability of someone to legally use a copyrighted work for certain limited purposes without permission of the copyright owner.
If you are negotiating for a license to use someone else's work, there may be a fee.
The reproduction or use of someone else's copyright material without permission or license.Copyright infringement is the unauthorized or prohibited use of works under copyright, infringing the copyright holder's exclusive rights, such as the right to reproduce or perform the copyrighted work, or to make derivative works.