Within your channel itself, you can also organize videos into playlists, making it easy for your audience to search within your content. As a social platform, viewers can engage with your videos by liking and commenting on them, providing you another chance to interact with your audience. YouTube also offers a variety of advertising options for more sophisticated targeting.
Professional cameras, like DSLRs, give you fine control over the manual settings of shooting video and allow you to achieve the shallow depth of field (background out of focus) that people rave about. While they're primarily used for photography, DSLRs are incredibly small, work great in low light situations, and pair with a wide range of lenses — making them perfect for video. However, DSLRs do require some training (and additional purchases) of lenses.