Great illusions

I got this video on my inbox just now and it really amazed me.. how the heck did that kid do it.. maybe he use a video editing tools but u can seems to captured the glitch when it change, if he DOES use a video editing tools i sure would like to know what he used. I wanna email this to my friend but our mailserver is really LAGGY at this moment, so sending attachment is really not adviseable...