Let's CC

Videos are only for (BY) license applied contents.

by

(BY)You're free to use-modify, commercialize-it only with attribution.
by sa

(BY-SA)With Attribution, free to modify but carry the same license.
by nc

(BY-NC)You're free to use but for non-commercial.
by nc sa

(BY-NC-SA)No commercial use allowed, free to modify carrying same license.
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(BY-ND)With attribution, without any modification.
by nc nd

(BY-NC-ND)Use it with attribution, but no change and commercial use allowed.

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