Final answer:
An example of a person using their channel on a video-sharing site is when they allow other users to see playlists of their own uploaded videos.
Step-by-step explanation:
An example of a person using their channel on a video-sharing site is when Rizwan allows other users to see playlists of his own uploaded videos. By sharing his playlists, Rizwan is showcasing his own content to the community on the video-sharing site, giving other users the opportunity to discover and watch his videos.
Learn more about Using channels on video-sharing sites