What might make an account be eligible for access to Content Manager?

–What might make an account be eligible for access to Content Manager?–

–They manage a large, or multi-channel, content repository.–

–They produce parody or cover videos, and want to avoid copyright takedowns.–

–Joining a multi-channel network, especially if it’s an international one.–

–They have become a YouTube partner, and need to manage channel revenue.–