Online Card Trick

[BasketCase]

Dunno if anybody's ever seen this one, but it had me kinda creeped out for a bit until I figured it out:
Online card trick

Enjoy.

 

[Wolfe Tone]

I think it's pretty obvious how it works, but it might catch some people.

 

[punkbass2000]

Yeah, I only figured it out on the second go.

 

[Mise]

I semi-memorised all the cards anyway in trying to decide which one to pick, so it was pretty obvious.

 

[Dabomb18359]

How does it work?

 

[Dabomb18359]

O nvm, I see lol.!

What about this one?
http://www.simeonmagic.com/triangle/triangle1.htm

Half of those links don't work...

 

[Mise]

Seen it before do you want the answer?

 

[Dabomb18359]

yea what is the answer