Copyright and fair use guidelines
Keep it legal.
Copyright: The right to Copying anothers work, or information on the internet.
Fair use: To use Fairly.
Fair use Rules: With motion media you can use 10% or 3 minutes of the total Piece.
An entire poem of 250 words can be used.
In a text you can use 10% or 1000 words of the text.
For music you can use 30 seconds of the video.