TOP FIVE YOUTUBE EASTER EGGS

1 BEAM ME UP SCOTTY

Youtube gives a beam of light type of animation on search result. Just click the link to see the effect.
https://www.youtube.com/results?search_query=beam+me+up+scotty

2 DO THE HARLEM SHAKE

As everybody upload Harlem shake in youtube past year, youtube did the harlem shake...

https://www.youtube.com/results?search_query=do+the+harlem+shake

3 USE THE FORCE LUKE

Youtube start to shake .. 

https://www.youtube.com/results?search_query=use+the+force+luke

4 WEBDRIVER TORSO

See it yourself in 

https://www.youtube.com/results?search_query=webdriver+torso

5 DOGE MEME 

Youtube changes color and fonts. 

https://www.youtube.com/results?search_query=doge+meme