The document discusses different categories of video sharing and hosting services: 1) User generated video sharing websites allow users to freely upload and share video clips, with some file size and format restrictions. Examples include YouTube, Myspace, and Dailymotion. 2) White label providers sell technology that allows clients to create their own user generated video sharing websites. Examples include HD Share and Dailymotion Cloud. 3) Enterprise video hosting sites cater to businesses wanting to securely share internal or external videos. Examples are Brightcove, Kewego, and Ooyala.