Rubik's Tube (or YouCube)

Over 150 Numberphile viewers contributed to this. Read below for a little game you can play with this video!

And see our full series of Rubik's Cube videos at: http://www.youtube.com/playlist?list=PLt5AfwLFPxWJNAdHv8TUCOmj7iKqyHZeg
Music contributed by http://www.youtube.com/user/AlanKey86

IN THIS VIDEO can you find or count the following:

How many people are solving the cube with blindfolds?
How many cubes break while being solved?
Can you see me (Brady)?
Can you see three shots which feature world-leading speedsolver Feliks Zemdegs?
Can you see Michael from the well-known YouTube channel Vsauce?
Can you spot Brady's fitness instructor Phil?
Speaking of fitness, can you see someone solving the cube on a treadmill?
How many animated "self-solving" cubes appear?
Can you spot the underwater cube?
Most of our cubers are male. But how many females can you see?
Someone is cubing while singing along to a Justin Bieber song?
Can you spot them?
Can you see the cuber with the brown Numberphile website on his screen?
How many cubes appear which are not the standard 3x3?
Did you spot a magic trick?
Can you guess which video is a self-admitted forgery (not the "magic trick" but someone else using visual effects and not really doing it - and this doesn't include sped-up videos)
And finally, how many Rubik's Cube appear in the video (not including the same cube being shown twice at different parts of the video)?