Copyright

1. Legal Right

2. Permission

2.1. Some content, such as stock images, are free to use to the public.

2.2. To achieve the absolute right to use another person"s work, you must pay a sum of money.

3. Original source

3.1. When you are inspired by a source, you should always mention it somewhere

3.2. Credit the person"s work if you publish it somewhere else other than the original source.

4. Protection of one"s works

4.1. Literature

4.2. Video

4.3. Music

4.4. Image

5. Author

5.1. Copyright work can be used without permission if the work is published before 1923 in the U.S.

5.2. Copyright works that are published after 1977 are only protected for 70 years