Websites are automatically protected by copyright unless specified otherwise.
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.
Given current copyright law, it's merely a courtesy; the content of the site would be protected regardless.
The copyright notification is generally found on the bottom of the first page of content, on the reverse of the title page, or embedded in metadata. However, notification is not required for protection.
Yes, websites should be copyrighted. The exact design, layout, and content of a website should be protected in order to prevent any lookalikes.
Sites that are entirely the work of the federal government will have a lot of content that is not copyrightable. There are also large collections of public domain material, such as Project Gutenberg and IMSLP. But for the most part, because copyright protection is automatic, what you encounter online will be protected.
A copyright lawyer specializes in the copyright portion of intellectual property. They may work for content users, content creators, or professional associations.
Copyright laws are different ranging from different countries and companies. Such laws can usually be found can be found from government run websites or from governmental buildings that offer information about laws.
Each article generally has its own copyright date, below the title. Otherwise, websites use the current date as the copyright date, because that's when the page rendered on the user's computer.
Copyright content is basically anything that anyone else has written. Owners of copyright content can grant permission for others to use their content. You should not use it unless you have this permission. Copyright covers both the written word and images. Copyright generally expires 70 years after the owner's death, but in some countries the length of time is longer.
To find copyright-free information on Google, you can include "public domain" or "creative commons" in your search query. Alternatively, you can visit websites like Creative Commons or Wikimedia Commons that offer copyright-free content. Always verify the specific usage rights associated with the content you find.
The content of a presentation is protected by copyright as soon as it is "fixed."
Very rarely. Rightsholders of copyright-protected content expect and receive royalties for most uses.