Trippy.

[Bri]

It's freaky if you look at the back of your hand after doing it :/

 

[Phantom]

ive heard you can go blind watching this stuff for too long... oh wait no thats pr0n

 

[RandomTom]

lol! I didn't notice anything, then sat there wondering why my LCD was crawling like a a projector screen

The reactions in this thread are so funny to that, i love it - when i found it I showed it to my mum and she got a bit worried for a minute afterwards.