Its literally based on similar content you watch 
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Nah my friends got that recommended on my video too and incognito mode doesn't take any past content you've watched
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These "up next" videos are automatically selected based on several factors, such as what is popular to watch next or what is currently being watched. They're not necessarily personalized to you and you can use the 3-dot menu > not interested to share this feedback!
Thanks. Twitter will use this to make your timeline better. UndoUndo
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