> The space the original video uses is too small, and maybe it's that the camera angle is poor The whole point is that selective attention can make seeing even

> The space the original video uses is too small, and maybe it's that the camera angle is poor The whole point is that selective attention can make seeing even very obvious things difficult. > it's so hard to tell but I'd honestly be surprised if too many people fell for the original today. I used it on a class full of middle school science students two years ago. 21 out of 24 missed it in the first class. 5 out of 24 in the second, though they insisted no one warned them :D