Founded in 2005, YouTube is one of the most popular video sites on the Web today. Millions of videos have been uploaded and shared here, ranging from movie trailers to amateur videos of cats - and everything in between.
WHY IS YOU TUBE CALLED YOU TUBE?
The "You" is because the content is for all the users. The "Tube" is a reference to monitor or screen. Pre LCD displays (TV and monitors) had tubes in them. Note the logo of YouTube is a TV, so they may be specifically be referencing the "TV tube".Teen Titans GO! To The Movies - Official Trailer 1
https://www.youtube.com/watch?v=r9WhJyyTtqo
https://www.quora.com/Why-is-YouTube-called-YouTube
