The reason I have the mini video shuffler on the user profile page is becuase in order for the video shuffler to work the user will need to have an account and be signed onto YouTube, in order for it to know what kind of videos the user likes or dislikes therefore knowing which vidoes to play. One way for the video shuffler to become more efficient would be to understand the user’s perferances better, and to do that YouTube will need to keep track of the type of videos the user usually likes to watch.
This would be the page that the user is brought to after clicking on the mini preview on their account page. The user will be allowed to say whether or not they liked the video and YouTube will store this information thus knowing what type of videos to show the user in the future. Based on the the users viewing habits the video shuffler will pick videos that are similar to the ones the user likes.