I wanted to give you a non-anonymous +1 on this. Your point about the level playing field is a great one. My preference is obviously to just avoid the black b

I wanted to give you a non-anonymous +1 on this. Your point about the level playing field is a great one. My preference is obviously to just avoid the black boxes where I can, but it's not particularly surprising to think that the true color of the box is the inverse of the color of the hat.