What are the top video aggregators?

Could you please elaborate on what you mean by "top video aggregators"? Are you referring to platforms that collect and organize videos from various sources, making them easily accessible for users? If so, there are several popular options available, such as YouTube, Vimeo, and Dailymotion. Each of these platforms has its own unique features and user base, so it would be helpful to know what specific criteria you're looking for in a video aggregator. For example, are you interested in the size of the platform's user base, the quality of its content, or the ease of use of its interface?