Yes; notification is not required for protection.
Yes; notification is not required for protection.
Yes; notification is not required for protection.
It is okay to write a book on something that is copyrighted, but you cannot publish your work unless you get permission from the author.
Check the back of the card. In most cases it is going to be copyrighted. There is a chance that they are using something that is public domain.
a 'c' in a circle: ©
There is no such thing as "un-copyright". Something is either copyrighted or not. If it is copyrighted, then the copyright eventually expires, making it public domain.
It is not legal to tape copyrighted information
Yes, you should cite all sources. Just because something is no longer copyright does not mean that you can use it freely. You can be accused of plagiarism if you use it without citation.
If something is in the public domain, then it is not copyrighted. Creative commons also has a license for any software developer who wants to let others reuse their code.
A catchy phrase is a phrase in business like "Posture Power"(copyrighted already) or something like the Ross store: "dress 4 less"(copyrighted already)Yea, you get the idea
Yes it is because laws that protect the copyright owner have been broken.